Index of values


(!) [Pervasives]
!r returns the current contents of reference r.
(!=) [Pervasives]
Negation of (==).
(&&) [Pervasives]
The boolean ``and''.
(&) [Pervasives]
(*) [Pervasives]
Integer multiplication.
(**) [Pervasives]
Exponentiation
(**/) [Num]
Same as Num.power_num.
(*.) [Pervasives]
Floating-point multiplication
(*/) [Num]
Same as Num.mult_num.
(+) [Pervasives]
Integer addition.
(+.) [Pervasives]
Floating-point addition
(+/) [Num]
Same as Num.add_num.
(-) [Pervasives]
Integer subtraction.
(-.) [Pervasives]
Floating-point subtraction
(-/) [Num]
Same as Num.sub_num.
(/) [Pervasives]
Integer division.
(/.) [Pervasives]
Floating-point division.
(//) [Num]
Same as Num.div_num.
(:=) [Pervasives]
r := a stores the value of a in reference r.
(<) [Pervasives]
See (>=).
(</) [Num]
(<=) [Pervasives]
See (>=).
(<=/) [Num]
(<>) [Pervasives]
Negation of (=).
(<>/) [Num]
(=) [Pervasives]
e1 = e2 tests for structural equality of e1 and e2.
(=/) [Num]
(==) [Pervasives]
e1 == e2 tests for physical equality of e1 and e2.
(>) [Pervasives]
See (>=).
(>/) [Num]
(>=) [Pervasives]
Structural ordering functions.
(>=/) [Num]
(@) [Pervasives]
List concatenation.
(^) [Pervasives]
String concatenation.
(^^) [Pervasives]
f1 ^^ f2 catenates formats f1 and f2.
(||) [Pervasives]
The boolean ``or''.
(~-) [Pervasives]
Unary negation.
(~-.) [Pervasives]
Unary negation.

A
abs [Pervasives]
Return the absolute value of the argument.
abs [Nativeint]
Return the absolute value of its argument.
abs [Int64]
Return the absolute value of its argument.
abs [Int32]
Return the absolute value of its argument.
abs_big_int [Big_int]
Absolute value.
abs_float [Pervasives]
Return the absolute value of the argument.
abs_num [Num]
Absolute value.
abstract_tag [Obj]
accept [UnixLabels]
Accept connections on the given socket.
accept [Unix]
Accept connections on the given socket.
accept [ThreadUnix]
access [UnixLabels]
Check that the process has the given permissions over the named file.
access [Unix]
Check that the process has the given permissions over the named file.
acos [Pervasives]
See atan2.
adapt_filename [Dynlink]
In bytecode, the identity function.
add [Weak.S]
add t x adds x to t.
add [Set.S]
add x s returns a set containing all elements of s, plus x.
add [Queue]
add x q adds the element x at the end of the queue q.
add [Nativeint]
Addition.
add [MoreLabels.Set.S]
add [MoreLabels.Map.S]
add [MoreLabels.Hashtbl.S]
add [MoreLabels.Hashtbl]
add [Map.S]
add x y m returns a map containing the same bindings as m, plus a binding of x to y.
add [Int64]
Addition.
add [Int32]
Addition.
add [Hashtbl.S]
add [Hashtbl]
Hashtbl.add tbl x y adds a binding of x to y in table tbl.
add [Dbm]
add db key data inserts the pair (key, data) in the database db.
add [Complex]
Addition
add_available_units [Dynlink]
Same as Dynlink.add_interfaces, but instead of searching .cmi files to find the unit interfaces, uses the interface digests given for each unit.
add_big_int [Big_int]
Addition.
add_buffer [Buffer]
add_buffer b1 b2 appends the current contents of buffer b2 at the end of buffer b1.
add_channel [Buffer]
add_channel b ic n reads exactly n character from the input channel ic and stores them at the end of buffer b.
add_char [Buffer]
add_char b c appends the character c at the end of the buffer b.
add_initializer [CamlinternalOO]
add_int_big_int [Big_int]
Addition of a small integer to a big integer.
add_interfaces [Dynlink]
add_interfaces units path grants dynamically-linked object files access to the compilation units named in list units.
add_num [Num]
Addition
add_string [Buffer]
add_string b s appends the string s at the end of the buffer b.
add_substitute [Buffer]
add_substitute b f s appends the string pattern s at the end of the buffer b with substitution.
add_substring [Buffer]
add_substring b s ofs len takes len characters from offset ofs in string s and appends them at the end of the buffer b.
alarm [UnixLabels]
Schedule a SIGALRM signal after the given number of seconds.
alarm [Unix]
Schedule a SIGALRM signal after the given number of seconds.
align [Arg]
Align the documentation strings by inserting spaces at the first space, according to the length of the keyword.
allocated_bytes [Gc]
Return the total number of bytes allocated since the program was started.
allow_only [Dynlink]
allow_only units restricts the compilation units that dynamically-linked units can reference: it only allows references to the units named in list units.
allow_unsafe_modules [Dynlink]
Govern whether unsafe object files are allowed to be dynamically linked.
always [Event]
always v returns an event that is always ready for synchronization.
append [StdLabels.List]
append [StdLabels.Array]
append [ListLabels]
Catenate two lists.
append [List]
Catenate two lists.
append [ArrayLabels]
Array.append v1 v2 returns a fresh array containing the concatenation of the arrays v1 and v2.
append [Array]
Array.append v1 v2 returns a fresh array containing the concatenation of the arrays v1 and v2.
appname_get [Tk]
appname_set [Tk]
Get or set the application name.
approx_num_exp [Num]
Approximate a number by a decimal.
approx_num_fix [Num]
arg [Complex]
Argument.
argv [Sys]
The command line arguments given to the process.
arith_status [Arith_status]
Print the current status of the arithmetic flags.
array [Sort]
Sort an array in increasing order according to an ordering predicate.
array1_of_genarray [Bigarray]
Return the one-dimensional big array corresponding to the given generic big array.
array2_of_genarray [Bigarray]
Return the two-dimensional big array corresponding to the given generic big array.
array3_of_genarray [Bigarray]
Return the three-dimensional big array corresponding to the given generic big array.
asin [Pervasives]
See atan2.
asr [Pervasives]
n asr m shifts n to the right by m bits.
assoc [StdLabels.List]
assoc [ListLabels]
assoc a l returns the value associated with key a in the list of pairs l.
assoc [List]
assoc a l returns the value associated with key a in the list of pairs l.
assq [StdLabels.List]
assq [ListLabels]
Same as ListLabels.assoc, but uses physical equality instead of structural equality to compare keys.
assq [List]
Same as List.assoc, but uses physical equality instead of structural equality to compare keys.
at_exit [Pervasives]
Register the given function to be called at program termination time.
atan [Pervasives]
See atan2.
atan2 [Pervasives]
The usual trigonometric functions.
auto_synchronize [Graphics]
By default, drawing takes place both on the window displayed on screen, and in a memory area (the ``backing store'').

B
background [Graphics]
backtrace_status [Printexc]
Printexc.backtrace_status() returns true if exception backtraces are currently recorded, false if not.
basename [Filename]
Split a file name into directory name / base file name.
beginning_of_input [Scanf.Scanning]
Scanning.beginning_of_input ib tests the beginning of input condition of the given scanning buffer.
big_int_of_int [Big_int]
Convert a small integer to a big integer.
big_int_of_int32 [Big_int]
Convert a 32-bit integer to a big integer.
big_int_of_int64 [Big_int]
Convert a 64-bit integer to a big integer.
big_int_of_nativeint [Big_int]
Convert a native integer to a big integer.
big_int_of_num [Num]
big_int_of_string [Big_int]
Convert a string to a big integer, in decimal.
bind [UnixLabels]
Bind a socket to an address.
bind [Unix]
Bind a socket to an address.
bind [Tk]
Bind a succession of events on a widget to an action.
bind_class [Tk]
Same thing for all widgets of a given class.
bind_tag [Tk]
Same thing for all widgets having a given tag
bits [Random.State]
bits [Random]
Return 30 random bits in a nonnegative integer.
bits_of_float [Int64]
Return the internal representation of the given float according to the IEEE 754 floating-point ``double format'' bit layout.
bits_of_float [Int32]
Return the internal representation of the given float according to the IEEE 754 floating-point ``single format'' bit layout.
black [Graphics]
blit [Weak]
Weak.blit ar1 off1 ar2 off2 len copies len weak pointers from ar1 (starting at off1) to ar2 (starting at off2).
blit [StringLabels]
String.blit src srcoff dst dstoff len copies len characters from string src, starting at character number srcoff, to string dst, starting at character number dstoff.
blit [String]
String.blit src srcoff dst dstoff len copies len characters from string src, starting at character number srcoff, to string dst, starting at character number dstoff.
blit [StdLabels.String]
blit [StdLabels.Array]
blit [Bigarray.Array3]
Copy the first big array to the second big array.
blit [Bigarray.Array2]
Copy the first big array to the second big array.
blit [Bigarray.Array1]
Copy the first big array to the second big array.
blit [Bigarray.Genarray]
Copy all elements of a big array in another big array.
blit [ArrayLabels]
Array.blit v1 o1 v2 o2 len copies len elements from array v1, starting at element number o1, to array v2, starting at element number o2.
blit [Array]
Array.blit v1 o1 v2 o2 len copies len elements from array v1, starting at element number o1, to array v2, starting at element number o2.
blit_image [Graphics]
blit_image img x y copies screen pixels into the image img, modifying img in-place.
blue [Graphics]
bool [Random.State]
These functions are the same as the basic functions, except that they use (and update) the given PRNG state instead of the default one.
bool [Random]
Random.bool () returns true or false with probability 0.5 each.
bool_of_string [Pervasives]
Convert the given string to a boolean.
bounded_full_split [Str]
Same as Str.bounded_split_delim, but returns the delimiters as well as the substrings contained between delimiters.
bounded_split [Str]
Same as Str.split, but splits into at most n substrings, where n is the extra integer parameter.
bounded_split_delim [Str]
Same as Str.bounded_split, but occurrences of the delimiter at the beginning and at the end of the string are recognized and returned as empty strings in the result.
bprintf [Printf]
Same as Printf.fprintf, but instead of printing on an output channel, append the formatted arguments to the given extensible buffer (see module Buffer).
bprintf [Format]
Same as sprintf above, but instead of printing on a string, writes into the given extensible buffer.
break [Tk]
Used inside a bound action, do not call other actions after this one.
broadcast [Condition]
broadcast c restarts all processes waiting on the condition variable c.
bscanf [Scanf]
bscanf ib fmt r1 ... rN f reads arguments for the function f, from the scanning buffer ib, according to the format string fmt, and applies f to these values.
bscanf_format [Scanf]
bscanf_format ib fmt f reads a format string token from the scannning buffer ib, according to the given format string fmt, and applies f to the resulting format string value.
button_down [Graphics]
Return true if the mouse button is pressed, false otherwise.

C
c_layout [Bigarray]
capitalize [StringLabels]
Return a copy of the argument, with the first character set to uppercase.
capitalize [String]
Return a copy of the argument, with the first character set to uppercase.
capitalize [StdLabels.String]
cardinal [Set.S]
Return the number of elements of a set.
cardinal [MoreLabels.Set.S]
catch [Printexc]
Printexc.catch fn x is similar to Printexc.print, but aborts the program with exit code 2 after printing the uncaught exception.
catch_break [Sys]
catch_break governs whether interactive interrupt (ctrl-C) terminates the program or raises the Break exception.
ceil [Pervasives]
See floor.
ceiling_num [Num]
ceiling_num n returns the smallest integer bigger or equal to n.
channel [Digest]
If len is nonnegative, Digest.channel ic len reads len characters from channel ic and returns their digest, or raises End_of_file if end-of-file is reached before len characters are read.
char [Bigarray]
As shown by the types of the values above, big arrays of kind float32_elt and float64_elt are accessed using the Caml type float.
char_of_int [Pervasives]
Return the character with the given ASCII code.
chdir [UnixLabels]
Change the process working directory.
chdir [Unix]
Change the process working directory.
chdir [Sys]
Change the current working directory of the process.
check [Weak]
Weak.check ar n returns true if the nth cell of ar is full, false if it is empty.
check_suffix [Filename]
check_suffix name suff returns true if the filename name ends with the suffix suff.
chmod [UnixLabels]
Change the permissions of the named file.
chmod [Unix]
Change the permissions of the named file.
choose [Set.S]
Return one element of the given set, or raise Not_found if the set is empty.
choose [MoreLabels.Set.S]
choose [Event]
choose evl returns the event that is the alternative of all the events in the list evl.
chop_extension [Filename]
Return the given file name without its extension.
chop_suffix [Filename]
chop_suffix name suff removes the suffix suff from the filename name.
chown [UnixLabels]
Change the owner uid and owner gid of the named file.
chown [Unix]
Change the owner uid and owner gid of the named file.
chr [Char]
Return the character with the given ASCII code.
chroot [UnixLabels]
Change the process root directory.
chroot [Unix]
Change the process root directory.
classify_float [Pervasives]
Return the class of the given floating-point number: normal, subnormal, zero, infinite, or not a number.
clear [Weak.S]
Remove all elements from the table.
clear [Stack]
Discard all elements from a stack.
clear [Queue]
Discard all elements from a queue.
clear [MoreLabels.Hashtbl.S]
clear [MoreLabels.Hashtbl]
clear [Hashtbl.S]
clear [Hashtbl]
Empty a hash table.
clear [Buffer]
Empty the buffer.
clear_available_units [Dynlink]
Empty the list of compilation units accessible to dynamically-linked programs.
clear_close_on_exec [UnixLabels]
Clear the ``close-on-exec'' flag on the given descriptor.
clear_close_on_exec [Unix]
Clear the ``close-on-exec'' flag on the given descriptor.
clear_graph [Graphics]
Erase the graphics window.
clear_nonblock [UnixLabels]
Clear the ``non-blocking'' flag on the given descriptor.
clear_nonblock [Unix]
Clear the ``non-blocking'' flag on the given descriptor.
clear_parser [Parsing]
Empty the parser stack.
close [UnixLabels]
Close a file descriptor.
close [Unix]
Close a file descriptor.
close [Dbm]
Close the given descriptor.
closeTk [Tk]
Quit the main loop and close all open windows.
close_box [Format]
Closes the most recently opened pretty-printing box.
close_graph [Graphics]
Delete the graphics window or switch the screen back to text mode.
close_in [Pervasives]
Close the given channel.
close_in_noerr [Pervasives]
Same as close_in, but ignore all errors.
close_out [Pervasives]
Close the given channel, flushing all buffered write operations.
close_out_noerr [Pervasives]
Same as close_out, but ignore all errors.
close_process [UnixLabels]
Close channels opened by UnixLabels.open_process, wait for the associated command to terminate, and return its termination status.
close_process [Unix]
Close channels opened by Unix.open_process, wait for the associated command to terminate, and return its termination status.
close_process_full [UnixLabels]
Close channels opened by UnixLabels.open_process_full, wait for the associated command to terminate, and return its termination status.
close_process_full [Unix]
Close channels opened by Unix.open_process_full, wait for the associated command to terminate, and return its termination status.
close_process_in [UnixLabels]
Close channels opened by UnixLabels.open_process_in, wait for the associated command to terminate, and return its termination status.
close_process_in [Unix]
Close channels opened by Unix.open_process_in, wait for the associated command to terminate, and return its termination status.
close_process_out [UnixLabels]
Close channels opened by UnixLabels.open_process_out, wait for the associated command to terminate, and return its termination status.
close_process_out [Unix]
Close channels opened by Unix.open_process_out, wait for the associated command to terminate, and return its termination status.
close_subwindow [GraphicsX11]
Close the sub-window having the given identifier.
close_tag [Format]
close_tag () closes the most recently opened tag t.
close_tbox [Format]
Closes the most recently opened tabulation box.
closedir [UnixLabels]
Close a directory descriptor.
closedir [Unix]
Close a directory descriptor.
closure_tag [Obj]
code [Char]
Return the ASCII code of the argument.
combine [StdLabels.List]
combine [ListLabels]
Transform a pair of lists into a list of pairs: combine [a1; ...; an] [b1; ...; bn] is [(a1,b1); ...; (an,bn)].
combine [List]
Transform a pair of lists into a list of pairs: combine [a1; ...; an] [b1; ...; bn] is [(a1,b1); ...; (an,bn)].
command [Sys]
Execute the given shell command and return its exit code.
compact [Gc]
Perform a full major collection and compact the heap.
compare [StringLabels]
The comparison function for strings, with the same specification as compare.
compare [String]
The comparison function for strings, with the same specification as compare.
compare [StdLabels.String]
compare [Set.S]
Total ordering between sets.
compare [Pervasives]
compare x y returns 0 if x is equal to y, a negative integer if x is less than y, and a positive integer if x is greater than y.
compare [Nativeint]
The comparison function for native integers, with the same specification as compare.
compare [Set.OrderedType]
A total ordering function over the set elements.
compare [MoreLabels.Set.S]
compare [MoreLabels.Map.S]
compare [Map.OrderedType]
A total ordering function over the keys.
compare [Map.S]
Total ordering between maps.
compare [Int64]
The comparison function for 64-bit integers, with the same specification as compare.
compare [Int32]
The comparison function for 32-bit integers, with the same specification as compare.
compare [Char]
The comparison function for characters, with the same specification as compare.
compare_big_int [Big_int]
compare_big_int a b returns 0 if a and b are equal, 1 if a is greater than b, and -1 if a is smaller than b.
compare_num [Num]
Return -1, 0 or 1 if the first argument is less than, equal to, or greater than the second argument.
complex32 [Bigarray]
complex64 [Bigarray]
concat [StringLabels]
String.concat sep sl concatenates the list of strings sl, inserting the separator string sep between each.
concat [String]
String.concat sep sl concatenates the list of strings sl, inserting the separator string sep between each.
concat [StdLabels.String]
concat [StdLabels.List]
concat [StdLabels.Array]
concat [ListLabels]
Concatenate a list of lists.
concat [List]
Concatenate a list of lists.
concat [Filename]
concat dir file returns a file name that designates file file in directory dir.
concat [ArrayLabels]
Same as Array.append, but concatenates a list of arrays.
concat [Array]
Same as Array.append, but concatenates a list of arrays.
conj [Complex]
Conjugate: given the complex x + i.y, returns x - i.y.
connect [UnixLabels]
Connect a socket to an address.
connect [Unix]
Connect a socket to an address.
connect [ThreadUnix]
contains [StringLabels]
String.contains s c tests if character c appears in the string s.
contains [String]
String.contains s c tests if character c appears in the string s.
contains [StdLabels.String]
contains_from [StringLabels]
String.contains_from s start c tests if character c appears in the substring of s starting from start to the end of s.
contains_from [String]
String.contains_from s start c tests if character c appears in s after position start.
contains_from [StdLabels.String]
contents [Buffer]
Return a copy of the current contents of the buffer.
copy [StringLabels]
Return a copy of the given string.
copy [String]
Return a copy of the given string.
copy [StdLabels.String]
copy [StdLabels.Array]
copy [Stack]
Return a copy of the given stack.
copy [Random.State]
Return a copy of the given state.
copy [Queue]
Return a copy of the given queue.
copy [Oo]
Oo.copy o returns a copy of object o, that is a fresh object with the same methods and instance variables as o
copy [MoreLabels.Hashtbl.S]
copy [MoreLabels.Hashtbl]
copy [Hashtbl.S]
copy [Hashtbl]
Return a copy of the given hashtable.
copy [CamlinternalOO]
copy [ArrayLabels]
Array.copy a returns a copy of a, that is, a fresh array containing the same elements as a.
copy [Array]
Array.copy a returns a copy of a, that is, a fresh array containing the same elements as a.
cos [Pervasives]
See atan2.
cosh [Pervasives]
See tanh.
count [Weak.S]
Count the number of elements in the table.
count [Stream]
Return the current count of the stream elements, i.e.
counters [Gc]
Return (minor_words, promoted_words, major_words).
create [Weak.S]
create n creates a new empty weak hash table, of initial size n.
create [Weak]
Weak.create n returns a new weak array of length n.
create [Thread]
Thread.create funct arg creates a new thread of control, in which the function application funct arg is executed concurrently with the other threads of the program.
create [StringLabels]
String.create n returns a fresh string of length n.
create [String]
String.create n returns a fresh string of length n.
create [StdLabels.String]
create [StdLabels.Array]
create [Stack]
Return a new stack, initially empty.
create [Queue]
Return a new queue, initially empty.
create [Mutex]
Return a new mutex.
create [MoreLabels.Hashtbl.S]
create [MoreLabels.Hashtbl]
create [Hashtbl.S]
create [Hashtbl]
Hashtbl.create n creates a new, empty hash table, with initial size n.
create [Condition]
Return a new condition variable.
create [Buffer]
create n returns a fresh buffer, initially empty.
create [Bigarray.Array3]
Array3.create kind layout dim1 dim2 dim3 returns a new bigarray of three dimension, whose size is dim1 in the first dimension, dim2 in the second dimension, and dim3 in the third.
create [Bigarray.Array2]
Array2.create kind layout dim1 dim2 returns a new bigarray of two dimension, whose size is dim1 in the first dimension and dim2 in the second dimension.
create [Bigarray.Array1]
Array1.create kind layout dim returns a new bigarray of one dimension, whose size is dim.
create [Bigarray.Genarray]
Genarray.create kind layout dimensions returns a new big array whose element kind is determined by the parameter kind (one of float32, float64, int8_signed, etc) and whose layout is determined by the parameter layout (one of c_layout or fortran_layout).
create [ArrayLabels]
create [Array]
create_alarm [Gc]
create_alarm f will arrange for f to be called at the end of each major GC cycle, starting with the current cycle or the next one.
create_image [Graphics]
create_image w h returns a new image w pixels wide and h pixels tall, to be used in conjunction with blit_image.
create_matrix [StdLabels.Array]
create_matrix [ArrayLabels]
create_matrix [Array]
create_object [CamlinternalOO]
create_object_and_run_initializers [CamlinternalOO]
create_object_opt [CamlinternalOO]
create_process [UnixLabels]
create_process prog args new_stdin new_stdout new_stderr forks a new process that executes the program in file prog, with arguments args.
create_process [Unix]
create_process prog args new_stdin new_stdout new_stderr forks a new process that executes the program in file prog, with arguments args.
create_process_env [UnixLabels]
create_process_env prog args env new_stdin new_stdout new_stderr works as UnixLabels.create_process, except that the extra argument env specifies the environment passed to the program.
create_process_env [Unix]
create_process_env prog args env new_stdin new_stdout new_stderr works as Unix.create_process, except that the extra argument env specifies the environment passed to the program.
create_table [CamlinternalOO]
current [Arg]
Position (in Sys.argv) of the argument being processed.
current_dir_name [Filename]
The conventional name for the current directory (e.g.
current_point [Graphics]
Return the position of the current point.
current_x [Graphics]
Return the abscissa of the current point.
current_y [Graphics]
Return the ordinate of the current point.
curveto [Graphics]
curveto b c d draws a cubic Bezier curve starting from the current point to point d, with control points b and c, and moves the current point to d.
custom_tag [Obj]
cyan [Graphics]

D
data_size [Marshal]
decr [Pervasives]
Decrement the integer contained in the given reference.
decr_num [Num]
decr r is r:=!r-1, where r is a reference to a number.
default_available_units [Dynlink]
Reset the set of units that can be referenced from dynamically-linked code to its default value, that is, all units composing the currently running program.
delay [Thread]
delay d suspends the execution of the calling thread for d seconds.
delete_alarm [Gc]
delete_alarm a will stop the calls to the function associated to a.
descr_of_in_channel [UnixLabels]
Return the descriptor corresponding to an input channel.
descr_of_in_channel [Unix]
Return the descriptor corresponding to an input channel.
descr_of_out_channel [UnixLabels]
Return the descriptor corresponding to an output channel.
descr_of_out_channel [Unix]
Return the descriptor corresponding to an output channel.
destroy [Tk]
Destroy an individual widget.
diff [Set.S]
Set difference.
diff [MoreLabels.Set.S]
dim [Bigarray.Array1]
Return the size (dimension) of the given one-dimensional big array.
dim1 [Bigarray.Array3]
Return the first dimension of the given three-dimensional big array.
dim1 [Bigarray.Array2]
Return the first dimension of the given two-dimensional big array.
dim2 [Bigarray.Array3]
Return the second dimension of the given three-dimensional big array.
dim2 [Bigarray.Array2]
Return the second dimension of the given two-dimensional big array.
dim3 [Bigarray.Array3]
Return the third dimension of the given three-dimensional big array.
dims [Bigarray.Genarray]
Genarray.dims a returns all dimensions of the big array a, as an array of integers of length Genarray.num_dims a.
dirname [Filename]
display_mode [Graphics]
Set display mode on or off.
div [Nativeint]
Integer division.
div [Int64]
Integer division.
div [Int32]
Integer division.
div [Complex]
Division
div_big_int [Big_int]
Euclidean quotient of two big integers.
div_num [Num]
Division
domain_of_sockaddr [UnixLabels]
Return the socket domain adequate for the given socket address.
domain_of_sockaddr [Unix]
Return the socket domain adequate for the given socket address.
double_array_tag [Obj]
double_tag [Obj]
draw_arc [Graphics]
draw_arc x y rx ry a1 a2 draws an elliptical arc with center x,y, horizontal radius rx, vertical radius ry, from angle a1 to angle a2 (in degrees).
draw_char [Graphics]
draw_circle [Graphics]
draw_circle x y r draws a circle with center x,y and radius r.
draw_ellipse [Graphics]
draw_ellipse x y rx ry draws an ellipse with center x,y, horizontal radius rx and vertical radius ry.
draw_image [Graphics]
Draw the given image with lower left corner at the given point.
draw_poly [Graphics]
draw_poly polygon draws the given polygon.
draw_poly_line [Graphics]
draw_poly_line points draws the line that joins the points given by the array argument.
draw_rect [Graphics]
draw_rect x y w h draws the rectangle with lower left corner at x,y, width w and height h.
draw_segments [Graphics]
draw_segments segments draws the segments given in the array argument.
draw_string [Graphics]
Draw a character or a character string with lower left corner at current position.
dummy_class [CamlinternalOO]
dummy_pos [Lexing]
A value of type position, guaranteed to be different from any valid position.
dummy_table [CamlinternalOO]
dump_image [Graphics]
Convert an image to a color matrix.
dup [UnixLabels]
Return a new file descriptor referencing the same file as the given descriptor.
dup [Unix]
Return a new file descriptor referencing the same file as the given descriptor.
dup [Obj]
dup2 [UnixLabels]
dup2 fd1 fd2 duplicates fd1 to fd2, closing fd2 if already opened.
dup2 [Unix]
dup2 fd1 fd2 duplicates fd1 to fd2, closing fd2 if already opened.

E
elements [Set.S]
Return the list of all elements of the given set.
elements [MoreLabels.Set.S]
empty [Stream]
Return () if the stream is empty, else raise Stream.Failure.
empty [Set.S]
The empty set.
empty [MoreLabels.Set.S]
empty [MoreLabels.Map.S]
empty [Map.S]
The empty map.
end_of_input [Scanf.Scanning]
Scanning.end_of_input ib tests the end-of-input condition of the given scanning buffer.
environment [UnixLabels]
Return the process environment, as an array of strings with the format ``variable=value''.
environment [Unix]
Return the process environment, as an array of strings with the format ``variable=value''.
eprintf [Printf]
Same as Printf.fprintf, but output on stderr.
eprintf [Format]
Same as fprintf above, but output on err_formatter.
epsilon_float [Pervasives]
The difference between 1.0 and the smallest exactly representable floating-point number greater than 1.0.
eq_big_int [Big_int]
eq_num [Num]
equal [Set.S]
equal s1 s2 tests whether the sets s1 and s2 are equal, that is, contain equal elements.
equal [MoreLabels.Set.S]
equal [MoreLabels.Map.S]
equal [Map.S]
equal cmp m1 m2 tests whether the maps m1 and m2 are equal, that is, contain equal keys and associate them with equal data.
equal [Hashtbl.HashedType]
The equality predicate used to compare keys.
err_formatter [Format]
A formatter to use with formatting functions below for output to standard error.
error_message [UnixLabels]
Return a string describing the given error code.
error_message [Unix]
Return a string describing the given error code.
error_message [Dynlink]
Convert an error description to a printable message.
escaped [StringLabels]
Return a copy of the argument, with special characters represented by escape sequences, following the lexical conventions of Objective Caml.
escaped [String]
Return a copy of the argument, with special characters represented by escape sequences, following the lexical conventions of Objective Caml.
escaped [StdLabels.String]
escaped [Char]
Return a string representing the given character, with special characters escaped following the lexical conventions of Objective Caml.
establish_server [UnixLabels]
Establish a server on the given address.
establish_server [Unix]
Establish a server on the given address.
executable_name [Sys]
The name of the file containing the executable currently running.
execv [UnixLabels]
execv prog args execute the program in file prog, with the arguments args, and the current process environment.
execv [Unix]
execv prog args execute the program in file prog, with the arguments args, and the current process environment.
execv [ThreadUnix]
execve [UnixLabels]
Same as UnixLabels.execv, except that the third argument provides the environment to the program executed.
execve [Unix]
Same as Unix.execv, except that the third argument provides the environment to the program executed.
execve [ThreadUnix]
execvp [UnixLabels]
Same as UnixLabels.execv respectively, except that the program is searched in the path.
execvp [Unix]
Same as Unix.execv, except that the program is searched in the path.
execvp [ThreadUnix]
execvpe [UnixLabels]
Same as UnixLabels.execvp respectively, except that the program is searched in the path.
execvpe [Unix]
Same as Unix.execve, except that the program is searched in the path.
exists [StdLabels.List]
exists [Set.S]
exists p s checks if at least one element of the set satisfies the predicate p.
exists [MoreLabels.Set.S]
exists [ListLabels]
exists p [a1; ...; an] checks if at least one element of the list satisfies the predicate p.
exists [List]
exists p [a1; ...; an] checks if at least one element of the list satisfies the predicate p.
exists2 [StdLabels.List]
exists2 [ListLabels]
Same as ListLabels.exists, but for a two-argument predicate.
exists2 [List]
Same as List.exists, but for a two-argument predicate.
exit [Thread]
Terminate prematurely the currently executing thread.
exit [Pervasives]
Terminate the process, returning the given status code to the operating system: usually 0 to indicate no errors, and a small positive integer to indicate failure.
exp [Pervasives]
Exponential.
exp [Complex]
Exponentiation.

F
failwith [Pervasives]
Raise exception Failure with the given string.
fast_sort [StdLabels.List]
fast_sort [StdLabels.Array]
fast_sort [ListLabels]
Same as List.sort or List.stable_sort, whichever is faster on typical input.
fast_sort [List]
Same as List.sort or List.stable_sort, whichever is faster on typical input.
fast_sort [ArrayLabels]
Same as Array.sort or Array.stable_sort, whichever is faster on typical input.
fast_sort [Array]
Same as Array.sort or Array.stable_sort, whichever is faster on typical input.
fchmod [UnixLabels]
Change the permissions of an opened file.
fchmod [Unix]
Change the permissions of an opened file.
fchown [UnixLabels]
Change the owner uid and owner gid of an opened file.
fchown [Unix]
Change the owner uid and owner gid of an opened file.
field [Obj]
file [Digest]
Return the digest of the file whose name is given.
file_exists [Sys]
Test if a file with the given name exists.
fill [Weak]
Weak.fill ar ofs len el sets to el all pointers of ar from ofs to ofs + len - 1.
fill [StringLabels]
String.fill s start len c modifies string s in place, replacing the characters number start to start + len - 1 by c.
fill [String]
String.fill s start len c modifies string s in place, replacing len characters by c, starting at start.
fill [StdLabels.String]
fill [StdLabels.Array]
fill [Bigarray.Array3]
Fill the given big array with the given value.
fill [Bigarray.Array2]
Fill the given big array with the given value.
fill [Bigarray.Array1]
Fill the given big array with the given value.
fill [Bigarray.Genarray]
Set all elements of a big array to a given value.
fill [ArrayLabels]
Array.fill a ofs len x modifies the array a in place, storing x in elements number ofs to ofs + len - 1.
fill [Array]
Array.fill a ofs len x modifies the array a in place, storing x in elements number ofs to ofs + len - 1.
fill_arc [Graphics]
Fill an elliptical pie slice with the current color.
fill_circle [Graphics]
Fill a circle with the current color.
fill_ellipse [Graphics]
Fill an ellipse with the current color.
fill_poly [Graphics]
Fill the given polygon with the current color.
fill_rect [Graphics]
fill_rect x y w h fills the rectangle with lower left corner at x,y, width w and height h, with the current color.
filter [StdLabels.List]
filter [Set.S]
filter p s returns the set of all elements in s that satisfy predicate p.
filter [MoreLabels.Set.S]
filter [ListLabels]
filter p l returns all the elements of the list l that satisfy the predicate p.
filter [List]
filter p l returns all the elements of the list l that satisfy the predicate p.
final_tag [Obj]
finalise [Gc]
finalise f v registers f as a finalisation function for v.
finalise_release [Gc]
A finalisation function may call finalise_release to tell the GC that it can launch the next finalisation function without waiting for the current one to return.
find [Weak.S]
find t x returns an instance of x found in t.
find [StdLabels.List]
find [MoreLabels.Map.S]
find [MoreLabels.Hashtbl.S]
find [MoreLabels.Hashtbl]
find [Map.S]
find x m returns the current binding of x in m, or raises Not_found if no such binding exists.
find [ListLabels]
find p l returns the first element of the list l that satisfies the predicate p.
find [List]
find p l returns the first element of the list l that satisfies the predicate p.
find [Hashtbl.S]
find [Hashtbl]
Hashtbl.find tbl x returns the current binding of x in tbl, or raises Not_found if no such binding exists.
find [Dbm]
find db key returns the data associated with the given key in the database opened for the descriptor db.
find_all [Weak.S]
find_all t x returns a list of all the instances of x found in t.
find_all [StdLabels.List]
find_all [MoreLabels.Hashtbl.S]
find_all [MoreLabels.Hashtbl]
find_all [ListLabels]
find_all is another name for ListLabels.filter.
find_all [List]
find_all is another name for List.filter.
find_all [Hashtbl.S]
find_all [Hashtbl]
Hashtbl.find_all tbl x returns the list of all data associated with x in tbl.
first_chars [Str]
first_chars s n returns the first n characters of s.
firstkey [Dbm]
flatten [StdLabels.List]
flatten [ListLabels]
Same as concat.
flatten [List]
Same as concat.
float [Random.State]
float [Random]
Random.float bound returns a random floating-point number between 0 (inclusive) and bound (exclusive).
float [Pervasives]
Same as float_of_int.
float32 [Bigarray]
float64 [Bigarray]
float_of_big_int [Big_int]
Returns a floating-point number approximating the given big integer.
float_of_bits [Int64]
Return the floating-point number whose internal representation, according to the IEEE 754 floating-point ``double format'' bit layout, is the given int64.
float_of_bits [Int32]
Return the floating-point number whose internal representation, according to the IEEE 754 floating-point ``single format'' bit layout, is the given int32.
float_of_int [Pervasives]
Convert an integer to floating-point.
float_of_num [Num]
float_of_string [Pervasives]
Convert the given string to a float.
floor [Pervasives]
Round the given float to an integer value.
floor_num [Num]
floor_num n returns the largest integer smaller or equal to n.
flush [Pervasives]
Flush the buffer associated with the given output channel, performing all pending writes on that channel.
flush_all [Pervasives]
Flush all open output channels; ignore errors.
flush_input [Lexing]
Discard the contents of the buffer and reset the current position to 0.
flush_str_formatter [Format]
Returns the material printed with str_formatter, flushes the formatter and resets the corresponding buffer.
fold [Weak.S]
fold f t init computes (f d1 (... (f dN init))) where d1 ... dN are the elements of t in some unspecified order.
fold [Set.S]
fold f s a computes (f xN ... (f x2 (f x1 a))...), where x1 ... xN are the elements of s, in increasing order.
fold [Queue]
fold f accu q is equivalent to List.fold_left f accu l, where l is the list of q's elements.
fold [MoreLabels.Set.S]
fold [MoreLabels.Map.S]
fold [MoreLabels.Hashtbl.S]
fold [MoreLabels.Hashtbl]
fold [Map.S]
fold f m a computes (f kN dN ... (f k1 d1 a)...), where k1 ... kN are the keys of all bindings in m (in increasing order), and d1 ... dN are the associated data.
fold [Hashtbl.S]
fold [Hashtbl]
Hashtbl.fold f tbl init computes (f kN dN ... (f k1 d1 init)...), where k1 ... kN are the keys of all bindings in tbl, and d1 ... dN are the associated values.
fold_left [StdLabels.List]
fold_left [StdLabels.Array]
fold_left [ListLabels]
List.fold_left f a [b1; ...; bn] is f (... (f (f a b1) b2) ...) bn.
fold_left [List]
List.fold_left f a [b1; ...; bn] is f (... (f (f a b1) b2) ...) bn.
fold_left [ArrayLabels]
Array.fold_left f x a computes f (... (f (f x a.(0)) a.(1)) ...) a.(n-1), where n is the length of the array a.
fold_left [Array]
Array.fold_left f x a computes f (... (f (f x a.(0)) a.(1)) ...) a.(n-1), where n is the length of the array a.
fold_left2 [StdLabels.List]
fold_left2 [ListLabels]
List.fold_left2 f a [b1; ...; bn] [c1; ...; cn] is f (... (f (f a b1 c1) b2 c2) ...) bn cn.
fold_left2 [List]
List.fold_left2 f a [b1; ...; bn] [c1; ...; cn] is f (... (f (f a b1 c1) b2 c2) ...) bn cn.
fold_right [StdLabels.List]
fold_right [StdLabels.Array]
fold_right [ListLabels]
List.fold_right f [a1; ...; an] b is f a1 (f a2 (... (f an b) ...)).
fold_right [List]
List.fold_right f [a1; ...; an] b is f a1 (f a2 (... (f an b) ...)).
fold_right [ArrayLabels]
Array.fold_right f a x computes f a.(0) (f a.(1) ( ... (f a.(n-1) x) ...)), where n is the length of the array a.
fold_right [Array]
Array.fold_right f a x computes f a.(0) (f a.(1) ( ... (f a.(n-1) x) ...)), where n is the length of the array a.
fold_right2 [StdLabels.List]
fold_right2 [ListLabels]
List.fold_right2 f [a1; ...; an] [b1; ...; bn] c is f a1 b1 (f a2 b2 (... (f an bn c) ...)).
fold_right2 [List]
List.fold_right2 f [a1; ...; an] [b1; ...; bn] c is f a1 b1 (f a2 b2 (... (f an bn c) ...)).
for_all [StdLabels.List]
for_all [Set.S]
for_all p s checks if all elements of the set satisfy the predicate p.
for_all [MoreLabels.Set.S]
for_all [ListLabels]
for_all p [a1; ...; an] checks if all elements of the list satisfy the predicate p.
for_all [List]
for_all p [a1; ...; an] checks if all elements of the list satisfy the predicate p.
for_all2 [StdLabels.List]
for_all2 [ListLabels]
Same as ListLabels.for_all, but for a two-argument predicate.
for_all2 [List]
Same as List.for_all, but for a two-argument predicate.
force [Lazy]
force [CamlinternalLazy]
force_lazy_block [CamlinternalLazy]
force_newline [Format]
Forces a newline in the current box.
force_val [Lazy]
force_val x forces the suspension x and returns its result.
force_val [CamlinternalLazy]
force_val_lazy_block [CamlinternalLazy]
foreground [Graphics]
Default background and foreground colors (usually, either black foreground on a white background or white foreground on a black background).
fork [UnixLabels]
Fork a new process.
fork [Unix]
Fork a new process.
format_from_string [Scanf]
format_from_string s fmt converts a string argument to a format string, according to the given format string fmt.
format_of_string [Pervasives]
format_of_string s returns a format string read from the string literal s.
formatter_of_buffer [Format]
formatter_of_buffer b returns a new formatter writing to buffer b.
formatter_of_out_channel [Format]
formatter_of_out_channel oc returns a new formatter that writes to the corresponding channel oc.
fortran_layout [Bigarray]
forward_tag [Obj]
fprintf [Printf]
fprintf outchan format arg1 ... argN formats the arguments arg1 to argN according to the format string format, and outputs the resulting string on the channel outchan.
fprintf [Format]
fprintf ff format arg1 ... argN formats the arguments arg1 to argN according to the format string format, and outputs the resulting string on the formatter ff.
frexp [Pervasives]
frexp f returns the pair of the significant and the exponent of f.
from [Stream]
Stream.from f returns a stream built from the function f.
from_channel [Scanf.Scanning]
Scanning.from_channel ic returns a scanning buffer which reads from the input channel ic, starting at the current reading position.
from_channel [Marshal]
Marshal.from_channel chan reads from channel chan the byte representation of a structured value, as produced by one of the Marshal.to_* functions, and reconstructs and returns the corresponding value.
from_channel [Lexing]
Create a lexer buffer on the given input channel.
from_file [Scanf.Scanning]
Bufferized file reading in text mode.
from_file_bin [Scanf.Scanning]
Bufferized file reading in binary mode.
from_function [Scanf.Scanning]
Scanning.from_function f returns a scanning buffer with the given function as its reading method.
from_function [Lexing]
Create a lexer buffer with the given function as its reading method.
from_string [Scanf.Scanning]
Scanning.from_string s returns a scanning buffer which reads from the given string.
from_string [Marshal]
Marshal.from_string buff ofs unmarshals a structured value like Marshal.from_channel does, except that the byte representation is not read from a channel, but taken from the string buff, starting at position ofs.
from_string [Lexing]
Create a lexer buffer which reads from the given string.
fscanf [Scanf]
Same as Scanf.bscanf, but reads from the given channel.
fst [Pervasives]
Return the first component of a pair.
fstat [UnixLabels.LargeFile]
fstat [UnixLabels]
Return the information for the file associated with the given descriptor.
fstat [Unix.LargeFile]
fstat [Unix]
Return the information for the file associated with the given descriptor.
ftruncate [UnixLabels.LargeFile]
ftruncate [UnixLabels]
Truncates the file corresponding to the given descriptor to the given size.
ftruncate [Unix.LargeFile]
ftruncate [Unix]
Truncates the file corresponding to the given descriptor to the given size.
full_init [Random]
Same as Random.init but takes more data as seed.
full_major [Gc]
Do a minor collection, finish the current major collection cycle, and perform a complete new cycle.
full_split [Str]
Same as Str.split_delim, but returns the delimiters as well as the substrings contained between delimiters.

G
gcd_big_int [Big_int]
Greatest common divisor of two big integers.
ge_big_int [Big_int]
ge_num [Num]
genarray_of_array1 [Bigarray]
Return the generic big array corresponding to the given one-dimensional big array.
genarray_of_array2 [Bigarray]
Return the generic big array corresponding to the given two-dimensional big array.
genarray_of_array3 [Bigarray]
Return the generic big array corresponding to the given three-dimensional big array.
get [Weak]
Weak.get ar n returns None if the nth cell of ar is empty, Some x (where x is the value) if it is full.
get [StringLabels]
String.get s n returns character number n in string s.
get [String]
String.get s n returns character number n in string s.
get [StdLabels.String]
get [StdLabels.Array]
get [Gc]
Return the current values of the GC parameters in a control record.
get [Bigarray.Array3]
Array3.get a x y z, also written a.{x,y,z}, returns the element of a at coordinates (x, y, z).
get [Bigarray.Array2]
Array2.get a x y, also written a.{x,y}, returns the element of a at coordinates (x, y).
get [Bigarray.Array1]
Array1.get a x, or alternatively a.{x}, returns the element of a at index x.
get [Bigarray.Genarray]
Read an element of a generic big array.
get [ArrayLabels]
Array.get a n returns the element number n of array a.
get [Array]
Array.get a n returns the element number n of array a.
get_all_formatter_output_functions [Format]
Return the current output functions of the pretty-printer, including line breaking and indentation functions.
get_approx_printing [Arith_status]
get_backtrace [Printexc]
Printexc.get_backtrace () returns a string containing the same exception backtrace that Printexc.print_backtrace would print.
get_copy [Weak]
Weak.get_copy ar n returns None if the nth cell of ar is empty, Some x (where x is a (shallow) copy of the value) if it is full.
get_ellipsis_text [Format]
Return the text of the ellipsis.
get_error_when_null_denominator [Arith_status]
get_floating_precision [Arith_status]
get_formatter_output_functions [Format]
Return the current output functions of the pretty-printer.
get_formatter_tag_functions [Format]
Return the current tag functions of the pretty-printer.
get_image [Graphics]
Capture the contents of a rectangle on the screen as an image.
get_margin [Format]
Returns the position of the right margin.
get_mark_tags [Format]
Return the current status of tags printing and tags marking.
get_max_boxes [Format]
Returns the maximum number of boxes allowed before ellipsis.
get_max_indent [Format]
Return the value of the maximum indentation limit (in characters).
get_method [CamlinternalOO]
get_method_label [CamlinternalOO]
get_method_labels [CamlinternalOO]
get_normalize_ratio [Arith_status]
get_normalize_ratio_when_printing [Arith_status]
get_print_tags [Format]
get_public_method [CamlinternalOO]
get_state [Random]
Return the current state of the generator used by the basic functions.
get_variable [CamlinternalOO]
get_variables [CamlinternalOO]
getaddrinfo [UnixLabels]
getaddrinfo host service opts returns a list of Unix.addr_info records describing socket parameters and addresses suitable for communicating with the given host and service.
getaddrinfo [Unix]
getaddrinfo host service opts returns a list of Unix.addr_info records describing socket parameters and addresses suitable for communicating with the given host and service.
getcwd [UnixLabels]
Return the name of the current working directory.
getcwd [Unix]
Return the name of the current working directory.
getcwd [Sys]
Return the current working directory of the process.
getegid [UnixLabels]
Return the effective group id under which the process runs.
getegid [Unix]
Return the effective group id under which the process runs.
getenv [UnixLabels]
Return the value associated to a variable in the process environment.
getenv [Unix]
Return the value associated to a variable in the process environment.
getenv [Sys]
Return the value associated to a variable in the process environment.
geteuid [UnixLabels]
Return the effective user id under which the process runs.
geteuid [Unix]
Return the effective user id under which the process runs.
getgid [UnixLabels]
Return the group id of the user executing the process.
getgid [Unix]
Return the group id of the user executing the process.
getgrgid [UnixLabels]
Find an entry in group with the given group id, or raise Not_found.
getgrgid [Unix]
Find an entry in group with the given group id, or raise Not_found.
getgrnam [UnixLabels]
Find an entry in group with the given name, or raise Not_found.
getgrnam [Unix]
Find an entry in group with the given name, or raise Not_found.
getgroups [UnixLabels]
Return the list of groups to which the user executing the process belongs.
getgroups [Unix]
Return the list of groups to which the user executing the process belongs.
gethostbyaddr [UnixLabels]
Find an entry in hosts with the given address, or raise Not_found.
gethostbyaddr [Unix]
Find an entry in hosts with the given address, or raise Not_found.
gethostbyname [UnixLabels]
Find an entry in hosts with the given name, or raise Not_found.
gethostbyname [Unix]
Find an entry in hosts with the given name, or raise Not_found.
gethostname [UnixLabels]
Return the name of the local host.
gethostname [Unix]
Return the name of the local host.
getitimer [UnixLabels]
Return the current status of the given interval timer.
getitimer [Unix]
Return the current status of the given interval timer.
getlogin [UnixLabels]
Return the login name of the user executing the process.
getlogin [Unix]
Return the login name of the user executing the process.
getnameinfo [UnixLabels]
getnameinfo addr opts returns the host name and service name corresponding to the socket address addr.
getnameinfo [Unix]
getnameinfo addr opts returns the host name and service name corresponding to the socket address addr.
getpeername [UnixLabels]
Return the address of the host connected to the given socket.
getpeername [Unix]
Return the address of the host connected to the given socket.
getpid [UnixLabels]
Return the pid of the process.
getpid [Unix]
Return the pid of the process.
getppid [UnixLabels]
Return the pid of the parent process.
getppid [Unix]
Return the pid of the parent process.
getprotobyname [UnixLabels]
Find an entry in protocols with the given name, or raise Not_found.
getprotobyname [Unix]
Find an entry in protocols with the given name, or raise Not_found.
getprotobynumber [UnixLabels]
Find an entry in protocols with the given protocol number, or raise Not_found.
getprotobynumber [Unix]
Find an entry in protocols with the given protocol number, or raise Not_found.
getpwnam [UnixLabels]
Find an entry in passwd with the given name, or raise Not_found.
getpwnam [Unix]
Find an entry in passwd with the given name, or raise Not_found.
getpwuid [UnixLabels]
Find an entry in passwd with the given user id, or raise Not_found.
getpwuid [Unix]
Find an entry in passwd with the given user id, or raise Not_found.
getservbyname [UnixLabels]
Find an entry in services with the given name, or raise Not_found.
getservbyname [Unix]
Find an entry in services with the given name, or raise Not_found.
getservbyport [UnixLabels]
Find an entry in services with the given service number, or raise Not_found.
getservbyport [Unix]
Find an entry in services with the given service number, or raise Not_found.
getsockname [UnixLabels]
Return the address of the given socket.
getsockname [Unix]
Return the address of the given socket.
getsockopt [UnixLabels]
Return the current status of a boolean-valued option in the given socket.
getsockopt [Unix]
Return the current status of a boolean-valued option in the given socket.
getsockopt_error [UnixLabels]
Return the error condition associated with the given socket, and clear it.
getsockopt_error [Unix]
Return the error condition associated with the given socket, and clear it.
getsockopt_float [UnixLabels]
Same as Unix.getsockopt for a socket option whose value is a floating-point number.
getsockopt_float [Unix]
Same as Unix.getsockopt for a socket option whose value is a floating-point number.
getsockopt_int [UnixLabels]
Same as Unix.getsockopt for an integer-valued socket option.
getsockopt_int [Unix]
Same as Unix.getsockopt for an integer-valued socket option.
getsockopt_optint [UnixLabels]
Same as Unix.getsockopt for a socket option whose value is an int option.
getsockopt_optint [Unix]
Same as Unix.getsockopt for a socket option whose value is an int option.
gettimeofday [UnixLabels]
Same as UnixLabels.time, but with resolution better than 1 second.
gettimeofday [Unix]
Same as Unix.time, but with resolution better than 1 second.
getuid [UnixLabels]
Return the user id of the user executing the process.
getuid [Unix]
Return the user id of the user executing the process.
global_replace [Str]
global_replace regexp templ s returns a string identical to s, except that all substrings of s that match regexp have been replaced by templ.
global_substitute [Str]
global_substitute regexp subst s returns a string identical to s, except that all substrings of s that match regexp have been replaced by the result of function subst.
gmtime [UnixLabels]
Convert a time in seconds, as returned by UnixLabels.time, into a date and a time.
gmtime [Unix]
Convert a time in seconds, as returned by Unix.time, into a date and a time.
green [Graphics]
grid [Tk]
Pack a widget inside its parent, using the grid layout engine.
group_beginning [Str]
group_beginning n returns the position of the first character of the substring that was matched by the nth group of the regular expression.
group_end [Str]
group_end n returns the position of the character following the last character of substring that was matched by the nth group of the regular expression.
gt_big_int [Big_int]
Usual boolean comparisons between two big integers.
gt_num [Num]
guard [Event]
guard fn returns the event that, when synchronized, computes fn() and behaves as the resulting event.

H
handle_unix_error [UnixLabels]
handle_unix_error f x applies f to x and returns the result.
handle_unix_error [Unix]
handle_unix_error f x applies f to x and returns the result.
hash [MoreLabels.Hashtbl]
hash [Hashtbl.HashedType]
A hashing function on keys.
hash [Hashtbl]
Hashtbl.hash x associates a positive integer to any value of any type.
hash_param [MoreLabels.Hashtbl]
hash_param [Hashtbl]
Hashtbl.hash_param n m x computes a hash value for x, with the same properties as for hash.
hd [StdLabels.List]
hd [ListLabels]
Return the first element of the given list.
hd [List]
Return the first element of the given list.
header_size [Marshal]
The bytes representing a marshaled value are composed of a fixed-size header and a variable-sized data part, whose size can be determined from the header.

I
i [Complex]
The complex number i.
id [Thread]
Return the identifier of the given thread.
id [Oo]
Return an integer identifying this object, unique for the current execution of the program.
ifprintf [Printf]
Same as Printf.fprintf, but does not print anything.
ifprintf [Format]
Same as fprintf above, but does not print anything.
ignore [Pervasives]
Discard the value of its argument and return ().
in_channel_length [Pervasives.LargeFile]
in_channel_length [Pervasives]
Return the size (number of characters) of the regular file on which the given channel is opened.
in_channel_of_descr [UnixLabels]
Create an input channel reading from the given descriptor.
in_channel_of_descr [Unix]
Create an input channel reading from the given descriptor.
incr [Pervasives]
Increment the integer contained in the given reference.
incr_num [Num]
incr r is r:=!r+1, where r is a reference to a number.
index [StringLabels]
String.index s c returns the position of the leftmost occurrence of character c in string s.
index [String]
String.index s c returns the character number of the first occurrence of character c in string s.
index [StdLabels.String]
index_from [StringLabels]
Same as StringLabels.index, but start searching at the character position given as second argument.
index_from [String]
String.index_from s i c returns the character number of the first occurrence of character c in string s after position i.
index_from [StdLabels.String]
inet6_addr_any [UnixLabels]
A special IPv6 address, for use only with bind, representing all the Internet addresses that the host machine possesses.
inet6_addr_any [Unix]
A special IPv6 address, for use only with bind, representing all the Internet addresses that the host machine possesses.
inet6_addr_loopback [UnixLabels]
A special IPv6 address representing the host machine (::1).
inet6_addr_loopback [Unix]
A special IPv6 address representing the host machine (::1).
inet_addr_any [UnixLabels]
A special IPv4 address, for use only with bind, representing all the Internet addresses that the host machine possesses.
inet_addr_any [Unix]
A special IPv4 address, for use only with bind, representing all the Internet addresses that the host machine possesses.
inet_addr_loopback [UnixLabels]
A special IPv4 address representing the host machine (127.0.0.1).
inet_addr_loopback [Unix]
A special IPv4 address representing the host machine (127.0.0.1).
inet_addr_of_string [UnixLabels]
Conversion from the printable representation of an Internet address to its internal representation.
inet_addr_of_string [Unix]
Conversion from the printable representation of an Internet address to its internal representation.
infinity [Pervasives]
Positive infinity.
infix_tag [Obj]
inherits [CamlinternalOO]
init [StdLabels.Array]
init [Random]
Initialize the generator, using the argument as a seed.
init [Dynlink]
init [ArrayLabels]
Array.init n f returns a fresh array of length n, with element number i initialized to the result of f i.
init [Array]
Array.init n f returns a fresh array of length n, with element number i initialized to the result of f i.
init_class [CamlinternalOO]
init_mod [CamlinternalMod]
input [Pervasives]
input ic buf pos len reads up to len characters from the given channel ic, storing them in string buf, starting at character number pos.
input [Digest]
Read a digest from the given input channel.
input_binary_int [Pervasives]
Read an integer encoded in binary format (4 bytes, big-endian) from the given input channel.
input_byte [Pervasives]
Same as input_char, but return the 8-bit integer representing the character.
input_char [Pervasives]
Read one character from the given input channel.
input_line [Pervasives]
Read characters from the given input channel, until a newline character is encountered.
input_value [Pervasives]
Read the representation of a structured value, as produced by output_value, and return the corresponding value.
int [Random.State]
int [Random]
Random.int bound returns a random integer between 0 (inclusive) and bound (exclusive).
int [Bigarray]
int16_signed [Bigarray]
int16_unsigned [Bigarray]
int32 [Random.State]
int32 [Random]
Random.int32 bound returns a random integer between 0 (inclusive) and bound (exclusive).
int32 [Bigarray]
int32_of_big_int [Big_int]
Convert a big integer to a 32-bit integer.
int64 [Random.State]
int64 [Random]
Random.int64 bound returns a random integer between 0 (inclusive) and bound (exclusive).
int64 [Bigarray]
int64_of_big_int [Big_int]
Convert a big integer to a 64-bit integer.
int8_signed [Bigarray]
int8_unsigned [Bigarray]
int_of_big_int [Big_int]
Convert a big integer to a small integer (type int).
int_of_char [Pervasives]
Return the ASCII code of the argument.
int_of_float [Pervasives]
Truncate the given floating-point number to an integer.
int_of_num [Num]
int_of_string [Pervasives]
Convert the given string to an integer.
int_tag [Obj]
integer_num [Num]
integer_num n returns the integer closest to n.
inter [Set.S]
Set intersection.
inter [MoreLabels.Set.S]
interactive [Sys]
This reference is initially set to false in standalone programs and to true if the code is being executed under the interactive toplevel system ocaml.
inv [Complex]
Multiplicative inverse (1/z).
invalid_arg [Pervasives]
Raise exception Invalid_argument with the given string.
is_block [Obj]
is_directory [Sys]
Returns true if the given name refers to a directory, false if it refers to another kind of file.
is_empty [Stack]
Return true if the given stack is empty, false otherwise.
is_empty [Set.S]
Test whether a set is empty or not.
is_empty [Queue]
Return true if the given queue is empty, false otherwise.
is_empty [MoreLabels.Set.S]
is_empty [MoreLabels.Map.S]
is_empty [Map.S]
Test whether a map is empty or not.
is_implicit [Filename]
Return true if the file name is relative and does not start with an explicit reference to the current directory (./ or ../ in Unix), false if it starts with an explicit reference to the root directory or the current directory.
is_int [Obj]
is_int_big_int [Big_int]
Test whether the given big integer is small enough to be representable as a small integer (type int) without loss of precision.
is_integer_num [Num]
Test if a number is an integer
is_native [Dynlink]
true if the program is native, false if the program is bytecode.
is_relative [Filename]
Return true if the file name is relative to the current directory, false if it is absolute (i.e.
isatty [UnixLabels]
Return true if the given file descriptor refers to a terminal or console window, false otherwise.
isatty [Unix]
Return true if the given file descriptor refers to a terminal or console window, false otherwise.
iter [Weak.S]
iter f t calls f on each element of t, in some unspecified order.
iter [StringLabels]
String.iter f s applies function f in turn to all the characters of s.
iter [String]
String.iter f s applies function f in turn to all the characters of s.
iter [Stream]
Stream.iter f s scans the whole stream s, applying function f in turn to each stream element encountered.
iter [StdLabels.String]
iter [StdLabels.List]
iter [StdLabels.Array]
iter [Stack]
iter f s applies f in turn to all elements of s, from the element at the top of the stack to the element at the bottom of the stack.
iter [Set.S]
iter f s applies f in turn to all elements of s.
iter [Queue]
iter f q applies f in turn to all elements of q, from the least recently entered to the most recently entered.
iter [MoreLabels.Set.S]
iter [MoreLabels.Map.S]
iter [MoreLabels.Hashtbl.S]
iter [MoreLabels.Hashtbl]
iter [Map.S]
iter f m applies f to all bindings in map m.
iter [ListLabels]
List.iter f [a1; ...; an] applies function f in turn to a1; ...; an.
iter [List]
List.iter f [a1; ...; an] applies function f in turn to a1; ...; an.
iter [Hashtbl.S]
iter [Hashtbl]
Hashtbl.iter f tbl applies f to all bindings in table tbl.
iter [Dbm]
iter f db applies f to each (key, data) pair in the database db.
iter [ArrayLabels]
Array.iter f a applies function f in turn to all the elements of a.
iter [Array]
Array.iter f a applies function f in turn to all the elements of a.
iter2 [StdLabels.List]
iter2 [ListLabels]
List.iter2 f [a1; ...; an] [b1; ...; bn] calls in turn f a1 b1; ...; f an bn.
iter2 [List]
List.iter2 f [a1; ...; an] [b1; ...; bn] calls in turn f a1 b1; ...; f an bn.
iteri [StdLabels.Array]
iteri [ArrayLabels]
Same as ArrayLabels.iter, but the function is applied to the index of the element as first argument, and the element itself as second argument.
iteri [Array]
Same as Array.iter, but the function is applied to the index of the element as first argument, and the element itself as second argument.

J
join [Thread]
join th suspends the execution of the calling thread until the thread th has terminated.
junk [Stream]
Remove the first element of the stream, possibly unfreezing it before.

K
kbprintf [Printf]
Same as bprintf, but instead of returning immediately, passes the buffer to its first argument at the end of printing.
key_pressed [Graphics]
Return true if a keypress is available; that is, if read_key would not block.
kfprintf [Printf]
Same as fprintf, but instead of returning immediately, passes the out channel to its first argument at the end of printing.
kfprintf [Format]
Same as fprintf above, but instead of returning immediately, passes the formatter to its first argument at the end of printing.
kill [UnixLabels]
kill pid sig sends signal number sig to the process with id pid.
kill [Unix]
kill pid sig sends signal number sig to the process with id pid.
kill [Thread]
Terminate prematurely the thread whose handle is given.
kind [Bigarray.Array3]
Return the kind of the given big array.
kind [Bigarray.Array2]
Return the kind of the given big array.
kind [Bigarray.Array1]
Return the kind of the given big array.
kind [Bigarray.Genarray]
Return the kind of the given big array.
kprintf [Printf]
A deprecated synonym for ksprintf.
kprintf [Format]
A deprecated synonym for ksprintf.
kscanf [Scanf]
Same as Scanf.bscanf, but takes an additional function argument ef that is called in case of error: if the scanning process or some conversion fails, the scanning function aborts and calls the error handling function ef with the scanning buffer and the exception that aborted the scanning process.
ksprintf [Printf]
Same as sprintf above, but instead of returning the string, passes it to the first argument.
ksprintf [Format]
Same as sprintf above, but instead of returning the string, passes it to the first argument.

L
land [Pervasives]
Bitwise logical and.
last_chars [Str]
last_chars s n returns the last n characters of s.
layout [Bigarray.Array3]
Return the layout of the given big array.
layout [Bigarray.Array2]
Return the layout of the given big array.
layout [Bigarray.Array1]
Return the layout of the given big array.
layout [Bigarray.Genarray]
Return the layout of the given big array.
lazy_from_fun [Lazy]
lazy_from_fun f is the same as lazy (f ()) but slightly more efficient.
lazy_from_val [Lazy]
lazy_from_val v returns an already-forced suspension of v This is for special purposes only and should not be confused with lazy (v).
lazy_is_val [Lazy]
lazy_is_val x returns true if x has already been forced and did not raise an exception.
lazy_tag [Obj]
ldexp [Pervasives]
ldexp x n returns x *. 2 ** n.
le_big_int [Big_int]
le_num [Num]
length [Weak]
Weak.length ar returns the length (number of elements) of ar.
length [StringLabels]
Return the length (number of characters) of the given string.
length [String]
Return the length (number of characters) of the given string.
length [StdLabels.String]
length [StdLabels.List]
length [StdLabels.Array]
length [Stack]
Return the number of elements in a stack.
length [Queue]
Return the number of elements in a queue.
length [MoreLabels.Hashtbl.S]
length [MoreLabels.Hashtbl]
length [ListLabels]
Return the length (number of elements) of the given list.
length [List]
Return the length (number of elements) of the given list.
length [Hashtbl.S]
length [Hashtbl]
Hashtbl.length tbl returns the number of bindings in tbl.
length [Buffer]
Return the number of characters currently contained in the buffer.
length [ArrayLabels]
Return the length (number of elements) of the given array.
length [Array]
Return the length (number of elements) of the given array.
lexeme [Lexing]
Lexing.lexeme lexbuf returns the string matched by the regular expression.
lexeme_char [Lexing]
Lexing.lexeme_char lexbuf i returns character number i in the matched string.
lexeme_end [Lexing]
Lexing.lexeme_end lexbuf returns the offset in the input stream of the character following the last character of the matched string.
lexeme_end_p [Lexing]
Like lexeme_end, but return a complete position instead of an offset.
lexeme_start [Lexing]
Lexing.lexeme_start lexbuf returns the offset in the input stream of the first character of the matched string.
lexeme_start_p [Lexing]
Like lexeme_start, but return a complete position instead of an offset.
lineto [Graphics]
Draw a line with endpoints the current point and the given point, and move the current point to the given point.
link [UnixLabels]
link source dest creates a hard link named dest to the file named source.
link [Unix]
link source dest creates a hard link named dest to the file named source.
list [Sort]
Sort a list in increasing order according to an ordering predicate.
listen [UnixLabels]
Set up a socket for receiving connection requests.
listen [Unix]
Set up a socket for receiving connection requests.
lnot [Pervasives]
Bitwise logical negation.
loadfile [Dynlink]
In bytecode: load the given bytecode object file (.cmo file) or bytecode library file (.cma file), and link it with the running program.
loadfile_private [Dynlink]
Same as loadfile, except that the compilation units just loaded are hidden (cannot be referenced) from other modules dynamically loaded afterwards.
localtime [UnixLabels]
Convert a time in seconds, as returned by UnixLabels.time, into a date and a time.
localtime [Unix]
Convert a time in seconds, as returned by Unix.time, into a date and a time.
lock [Mutex]
Lock the given mutex.
lockf [UnixLabels]
lockf fd cmd size puts a lock on a region of the file opened as fd.
lockf [Unix]
lockf fd cmd size puts a lock on a region of the file opened as fd.
log [Pervasives]
Natural logarithm.
log [Complex]
Natural logarithm (in base e).
log10 [Pervasives]
Base 10 logarithm.
logand [Nativeint]
Bitwise logical and.
logand [Int64]
Bitwise logical and.
logand [Int32]
Bitwise logical and.
lognot [Nativeint]
Bitwise logical negation
lognot [Int64]
Bitwise logical negation
lognot [Int32]
Bitwise logical negation
logor [Nativeint]
Bitwise logical or.
logor [Int64]
Bitwise logical or.
logor [Int32]
Bitwise logical or.
logxor [Nativeint]
Bitwise logical exclusive or.
logxor [Int64]
Bitwise logical exclusive or.
logxor [Int32]
Bitwise logical exclusive or.
lookup_tables [CamlinternalOO]
lor [Pervasives]
Bitwise logical or.
lower_window [Tk]
Raise or lower the window associated to a widget.
lowercase [StringLabels]
Return a copy of the argument, with all uppercase letters translated to lowercase, including accented letters of the ISO Latin-1 (8859-1) character set.
lowercase [String]
Return a copy of the argument, with all uppercase letters translated to lowercase, including accented letters of the ISO Latin-1 (8859-1) character set.
lowercase [StdLabels.String]
lowercase [Char]
Convert the given character to its equivalent lowercase character.
lseek [UnixLabels.LargeFile]
lseek [UnixLabels]
Set the current position for a file descriptor
lseek [Unix.LargeFile]
lseek [Unix]
Set the current position for a file descriptor
lsl [Pervasives]
n lsl m shifts n to the left by m bits.
lsr [Pervasives]
n lsr m shifts n to the right by m bits.
lstat [UnixLabels.LargeFile]
lstat [UnixLabels]
Same as UnixLabels.stat, but in case the file is a symbolic link, return the information for the link itself.
lstat [Unix.LargeFile]
lstat [Unix]
Same as Unix.stat, but in case the file is a symbolic link, return the information for the link itself.
lt_big_int [Big_int]
lt_num [Num]
lxor [Pervasives]
Bitwise logical exclusive or.

M
magenta [Graphics]
magic [Obj]
mainLoop [Tk]
Start the main event loop
major [Gc]
Do a minor collection and finish the current major collection cycle.
major_slice [Gc]
Do a minor collection and a slice of major collection.
make [StringLabels]
String.make n c returns a fresh string of length n, filled with the character c.
make [String]
String.make n c returns a fresh string of length n, filled with the character c.
make [StdLabels.String]
make [StdLabels.Array]
make [Random.State]
Create a new state and initialize it with the given seed.
make [ArrayLabels]
Array.make n x returns a fresh array of length n, initialized with x.
make [Array]
Array.make n x returns a fresh array of length n, initialized with x.
make_class [CamlinternalOO]
make_class_store [CamlinternalOO]
make_formatter [Format]
make_formatter out flush returns a new formatter that writes according to the output function out, and the flushing function flush.
make_image [Graphics]
Convert the given color matrix to an image.
make_lexer [Genlex]
Construct the lexer function.
make_matrix [StdLabels.Array]
make_matrix [ArrayLabels]
Array.make_matrix dimx dimy e returns a two-dimensional array (an array of arrays) with first dimension dimx and second dimension dimy.
make_matrix [Array]
Array.make_matrix dimx dimy e returns a two-dimensional array (an array of arrays) with first dimension dimx and second dimension dimy.
make_self_init [Random.State]
Create a new state and initialize it with a system-dependent low-entropy seed.
map [StdLabels.List]
map [StdLabels.Array]
map [MoreLabels.Map.S]
map [Map.S]
map f m returns a map with same domain as m, where the associated value a of all bindings of m has been replaced by the result of the application of f to a.
map [ListLabels]
List.map f [a1; ...; an] applies function f to a1, ..., an, and builds the list [f a1; ...; f an] with the results returned by f.
map [List]
List.map f [a1; ...; an] applies function f to a1, ..., an, and builds the list [f a1; ...; f an] with the results returned by f.
map [ArrayLabels]
Array.map f a applies function f to all the elements of a, and builds an array with the results returned by f: [| f a.(0); f a.(1); ...; f a.(Array.length a - 1) |].
map [Array]
Array.map f a applies function f to all the elements of a, and builds an array with the results returned by f: [| f a.(0); f a.(1); ...; f a.(Array.length a - 1) |].
map2 [StdLabels.List]
map2 [ListLabels]
List.map2 f [a1; ...; an] [b1; ...; bn] is [f a1 b1; ...; f an bn].
map2 [List]
List.map2 f [a1; ...; an] [b1; ...; bn] is [f a1 b1; ...; f an bn].
map_file [Bigarray.Array3]
Memory mapping of a file as a three-dimensional big array.
map_file [Bigarray.Array2]
Memory mapping of a file as a two-dimensional big array.
map_file [Bigarray.Array1]
Memory mapping of a file as a one-dimensional big array.
map_file [Bigarray.Genarray]
Memory mapping of a file as a big array.
mapi [StdLabels.Array]
mapi [MoreLabels.Map.S]
mapi [Map.S]
Same as Map.S.map, but the function receives as arguments both the key and the associated value for each binding of the map.
mapi [ArrayLabels]
Same as ArrayLabels.map, but the function is applied to the index of the element as first argument, and the element itself as second argument.
mapi [Array]
Same as Array.map, but the function is applied to the index of the element as first argument, and the element itself as second argument.
marshal [Obj]
match_beginning [Str]
match_beginning() returns the position of the first character of the substring that was matched by Str.string_match, Str.search_forward or Str.search_backward.
match_end [Str]
match_end() returns the position of the character following the last character of the substring that was matched by string_match, search_forward or search_backward.
matched_group [Str]
matched_group n s returns the substring of s that was matched by the nth group \(...\) of the regular expression during the latest Str.string_match, Str.search_forward or Str.search_backward.
matched_string [Str]
matched_string s returns the substring of s that was matched by the latest Str.string_match, Str.search_forward or Str.search_backward.
max [Pervasives]
Return the greater of the two arguments.
max_array_length [Sys]
Maximum length of a normal array.
max_big_int [Big_int]
Return the greater of its two arguments.
max_elt [Set.S]
Same as Set.S.min_elt, but returns the largest element of the given set.
max_elt [MoreLabels.Set.S]
max_float [Pervasives]
The largest positive finite value of type float.
max_int [Pervasives]
The greatest representable integer.
max_int [Nativeint]
The greatest representable native integer, either 231 - 1 on a 32-bit platform, or 263 - 1 on a 64-bit platform.
max_int [Int64]
The greatest representable 64-bit integer, 263 - 1.
max_int [Int32]
The greatest representable 32-bit integer, 231 - 1.
max_num [Num]
Return the greater of the two arguments.
max_string_length [Sys]
Maximum length of a string.
mem [Weak.S]
mem t x returns true if there is at least one instance of x in t, false otherwise.
mem [StdLabels.List]
mem [Set.S]
mem x s tests whether x belongs to the set s.
mem [MoreLabels.Set.S]
mem [MoreLabels.Map.S]
mem [MoreLabels.Hashtbl.S]
mem [MoreLabels.Hashtbl]
mem [Map.S]
mem x m returns true if m contains a binding for x, and false otherwise.
mem [ListLabels]
mem a l is true if and only if a is equal to an element of l.
mem [List]
mem a l is true if and only if a is equal to an element of l.
mem [Hashtbl.S]
mem [Hashtbl]
Hashtbl.mem tbl x checks if x is bound in tbl.
mem_assoc [StdLabels.List]
mem_assoc [ListLabels]
Same as ListLabels.assoc, but simply return true if a binding exists, and false if no bindings exist for the given key.
mem_assoc [List]
Same as List.assoc, but simply return true if a binding exists, and false if no bindings exist for the given key.
mem_assq [StdLabels.List]
mem_assq [ListLabels]
Same as ListLabels.mem_assoc, but uses physical equality instead of structural equality to compare keys.
mem_assq [List]
Same as List.mem_assoc, but uses physical equality instead of structural equality to compare keys.
memq [StdLabels.List]
memq [ListLabels]
Same as ListLabels.mem, but uses physical equality instead of structural equality to compare list elements.
memq [List]
Same as List.mem, but uses physical equality instead of structural equality to compare list elements.
merge [Weak.S]
merge t x returns an instance of x found in t if any, or else adds x to t and return x.
merge [StdLabels.List]
merge [Sort]
Merge two lists according to the given predicate.
merge [ListLabels]
Merge two lists: Assuming that l1 and l2 are sorted according to the comparison function cmp, merge cmp l1 l2 will return a sorted list containting all the elements of l1 and l2.
merge [List]
Merge two lists: Assuming that l1 and l2 are sorted according to the comparison function cmp, merge cmp l1 l2 will return a sorted list containting all the elements of l1 and l2.
min [Pervasives]
Return the smaller of the two arguments.
min_big_int [Big_int]
Return the smaller of its two arguments.
min_elt [Set.S]
Return the smallest element of the given set (with respect to the Ord.compare ordering), or raise Not_found if the set is empty.
min_elt [MoreLabels.Set.S]
min_float [Pervasives]
The smallest positive, non-zero, non-denormalized value of type float.
min_int [Pervasives]
The smallest representable integer.
min_int [Nativeint]
The greatest representable native integer, either -231 on a 32-bit platform, or -263 on a 64-bit platform.
min_int [Int64]
The smallest representable 64-bit integer, -263.
min_int [Int32]
The smallest representable 32-bit integer, -231.
min_num [Num]
Return the smaller of the two arguments.
minor [Gc]
Trigger a minor collection.
minus_big_int [Big_int]
Unary negation.
minus_num [Num]
Unary negation.
minus_one [Nativeint]
The native integer -1.
minus_one [Int64]
The 64-bit integer -1.
minus_one [Int32]
The 32-bit integer -1.
mkdir [UnixLabels]
Create a directory with the given permissions.
mkdir [Unix]
Create a directory with the given permissions.
mkfifo [UnixLabels]
Create a named pipe with the given permissions.
mkfifo [Unix]
Create a named pipe with the given permissions.
mktime [UnixLabels]
Convert a date and time, specified by the tm argument, into a time in seconds, as returned by UnixLabels.time.
mktime [Unix]
Convert a date and time, specified by the tm argument, into a time in seconds, as returned by Unix.time.
mod [Pervasives]
Integer remainder.
mod_big_int [Big_int]
Euclidean modulus of two big integers.
mod_float [Pervasives]
mod_float a b returns the remainder of a with respect to b.
mod_num [Num]
Euclidean division: remainder.
modf [Pervasives]
modf f returns the pair of the fractional and integral part of f.
mouse_pos [Graphics]
Return the position of the mouse cursor, relative to the graphics window.
moveto [Graphics]
Position the current point.
mul [Nativeint]
Multiplication.
mul [Int64]
Multiplication.
mul [Int32]
Multiplication.
mul [Complex]
Multiplication
mult_big_int [Big_int]
Multiplication of two big integers.
mult_int_big_int [Big_int]
Multiplication of a big integer by a small integer
mult_num [Num]
Multiplication

N
name_of_input [Scanf.Scanning]
Scanning.file_name_of_input ib returns the name of the character source for the scanning buffer ib.
nan [Pervasives]
A special floating-point value denoting the result of an undefined operation such as 0.0 /. 0.0.
narrow [CamlinternalOO]
nat_of_num [Num]
nativeint [Random.State]
nativeint [Random]
Random.nativeint bound returns a random integer between 0 (inclusive) and bound (exclusive).
nativeint [Bigarray]
nativeint_of_big_int [Big_int]
Convert a big integer to a native integer.
neg [Nativeint]
Unary negation.
neg [Int64]
Unary negation.
neg [Int32]
Unary negation.
neg [Complex]
Unary negation.
neg_infinity [Pervasives]
Negative infinity.
new_block [Obj]
new_channel [Event]
Return a new channel.
new_line [Lexing]
Update the lex_curr_p field of the lexbuf to reflect the start of a new line.
new_method [CamlinternalOO]
new_methods_variables [CamlinternalOO]
new_variable [CamlinternalOO]
next [Stream]
Return the first element of the stream and remove it from the stream.
nextkey [Dbm]
Enumerate all keys in the given database, in an unspecified order.
nice [UnixLabels]
Change the process priority.
nice [Unix]
Change the process priority.
no_scan_tag [Obj]
norm [Complex]
Norm: given x + i.y, returns sqrt(x^2 + y^2).
norm2 [Complex]
Norm squared: given x + i.y, returns x^2 + y^2.
not [Pervasives]
The boolean negation.
npeek [Stream]
npeek n returns the list of the n first elements of the stream, or all its remaining elements if less than n elements are available.
nth [StdLabels.List]
nth [ListLabels]
Return the n-th element of the given list.
nth [List]
Return the n-th element of the given list.
nth [Buffer]
get the n-th character of the buffer.
nth_dim [Bigarray.Genarray]
Genarray.nth_dim a n returns the n-th dimension of the big array a.
num_digits_big_int [Big_int]
Return the number of machine words used to store the given big integer.
num_dims [Bigarray.Genarray]
Return the number of dimensions of the given big array.
num_of_big_int [Num]
num_of_int [Num]
num_of_nat [Num]
num_of_ratio [Num]
num_of_string [Num]
Convert a string to a number.

O
obj [Obj]
object_tag [Obj]
ocaml_version [Sys]
ocaml_version is the version of Objective Caml.
of_array [Bigarray.Array3]
Build a three-dimensional big array initialized from the given array of arrays of arrays.
of_array [Bigarray.Array2]
Build a two-dimensional big array initialized from the given array of arrays.
of_array [Bigarray.Array1]
Build a one-dimensional big array initialized from the given array.
of_channel [Stream]
Return the stream of the characters read from the input channel.
of_float [Nativeint]
Convert the given floating-point number to a native integer, discarding the fractional part (truncate towards 0).
of_float [Int64]
Convert the given floating-point number to a 64-bit integer, discarding the fractional part (truncate towards 0).
of_float [Int32]
Convert the given floating-point number to a 32-bit integer, discarding the fractional part (truncate towards 0).
of_int [Nativeint]
Convert the given integer (type int) to a native integer (type nativeint).
of_int [Int64]
Convert the given integer (type int) to a 64-bit integer (type int64).
of_int [Int32]
Convert the given integer (type int) to a 32-bit integer (type int32).
of_int32 [Nativeint]
Convert the given 32-bit integer (type int32) to a native integer.
of_int32 [Int64]
Convert the given 32-bit integer (type int32) to a 64-bit integer (type int64).
of_list [Stream]
Return the stream holding the elements of the list in the same order.
of_list [StdLabels.Array]
of_list [ArrayLabels]
Array.of_list l returns a fresh array containing the elements of l.
of_list [Array]
Array.of_list l returns a fresh array containing the elements of l.
of_nativeint [Int64]
Convert the given native integer (type nativeint) to a 64-bit integer (type int64).
of_string [Stream]
Return the stream of the characters of the string parameter.
of_string [Nativeint]
Convert the given string to a native integer.
of_string [Int64]
Convert the given string to a 64-bit integer.
of_string [Int32]
Convert the given string to a 32-bit integer.
one [Nativeint]
The native integer 1.
one [Int64]
The 64-bit integer 1.
one [Int32]
The 32-bit integer 1.
one [Complex]
The complex number 1.
openTk [Tk]
Initialize LablTk and open a toplevel window.
open_box [Format]
open_box d opens a new pretty-printing box with offset d.
open_connection [UnixLabels]
Connect to a server at the given address.
open_connection [Unix]
Connect to a server at the given address.
open_connection [ThreadUnix]
open_graph [Graphics]
Show the graphics window or switch the screen to graphic mode.
open_hbox [Format]
open_hbox () opens a new pretty-printing box.
open_hovbox [Format]
open_hovbox d opens a new pretty-printing box with offset d.
open_hvbox [Format]
open_hvbox d opens a new pretty-printing box with offset d.
open_in [Pervasives]
Open the named file for reading, and return a new input channel on that file, positionned at the beginning of the file.
open_in_bin [Pervasives]
Same as open_in, but the file is opened in binary mode, so that no translation takes place during reads.
open_in_gen [Pervasives]
open_in_gen mode perm filename opens the named file for reading, as described above.
open_out [Pervasives]
Open the named file for writing, and return a new output channel on that file, positionned at the beginning of the file.
open_out_bin [Pervasives]
Same as open_out, but the file is opened in binary mode, so that no translation takes place during writes.
open_out_gen [Pervasives]
open_out_gen mode perm filename opens the named file for writing, as described above.
open_process [UnixLabels]
Same as UnixLabels.open_process_out, but redirects both the standard input and standard output of the command to pipes connected to the two returned channels.
open_process [Unix]
Same as Unix.open_process_out, but redirects both the standard input and standard output of the command to pipes connected to the two returned channels.
open_process [ThreadUnix]
open_process_full [UnixLabels]
Similar to UnixLabels.open_process, but the second argument specifies the environment passed to the command.
open_process_full [Unix]
Similar to Unix.open_process, but the second argument specifies the environment passed to the command.
open_process_in [UnixLabels]
High-level pipe and process management.
open_process_in [Unix]
High-level pipe and process management.
open_process_in [ThreadUnix]
open_process_out [UnixLabels]
Same as UnixLabels.open_process_in, but redirect the standard input of the command to a pipe.
open_process_out [Unix]
Same as Unix.open_process_in, but redirect the standard input of the command to a pipe.
open_process_out [ThreadUnix]
open_subwindow [GraphicsX11]
Create a sub-window of the current Caml graphics window and return its identifier.
open_tag [Format]
open_tag t opens the tag named t; the print_open_tag function of the formatter is called with t as argument; the tag marker mark_open_tag t will be flushed into the output device of the formatter.
open_tbox [Format]
Opens a tabulation box.
open_temp_file [Filename]
Same as Filename.temp_file, but returns both the name of a fresh temporary file, and an output channel opened (atomically) on this file.
open_vbox [Format]
open_vbox d opens a new pretty-printing box with offset d.
opendbm [Dbm]
Open a descriptor on an NDBM database.
opendir [UnixLabels]
Open a descriptor on a directory
opendir [Unix]
Open a descriptor on a directory
openfile [UnixLabels]
Open the named file with the given flags.
openfile [Unix]
Open the named file with the given flags.
or [Pervasives]
os_type [Sys]
Operating system currently executing the Caml program.
out_channel_length [Pervasives.LargeFile]
out_channel_length [Pervasives]
Return the size (number of characters) of the regular file on which the given channel is opened.
out_channel_of_descr [UnixLabels]
Create an output channel writing on the given descriptor.
out_channel_of_descr [Unix]
Create an output channel writing on the given descriptor.
out_of_heap_tag [Obj]
output [Pervasives]
output oc buf pos len writes len characters from string buf, starting at offset pos, to the given output channel oc.
output [Digest]
Write a digest on the given output channel.
output_binary_int [Pervasives]
Write one integer in binary format (4 bytes, big-endian) on the given output channel.
output_buffer [Buffer]
output_buffer oc b writes the current contents of buffer b on the output channel oc.
output_byte [Pervasives]
Write one 8-bit integer (as the single character with that code) on the given output channel.
output_char [Pervasives]
Write the character on the given output channel.
output_string [Pervasives]
Write the string on the given output channel.
output_value [Pervasives]
Write the representation of a structured value of any type to a channel.
over_max_boxes [Format]
Tests if the maximum number of boxes allowed have already been opened.

P
pack [Tk]
Pack a widget inside its parent, using the standard layout engine.
params [CamlinternalOO]
parent_dir_name [Filename]
The conventional name for the parent of the current directory (e.g.
parse [Arg]
Arg.parse speclist anon_fun usage_msg parses the command line.
parse_argv [Arg]
Arg.parse_argv ~current args speclist anon_fun usage_msg parses the array args as if it were the command line.
partition [StdLabels.List]
partition [Set.S]
partition p s returns a pair of sets (s1, s2), where s1 is the set of all the elements of s that satisfy the predicate p, and s2 is the set of all the elements of s that do not satisfy p.
partition [MoreLabels.Set.S]
partition [ListLabels]
partition p l returns a pair of lists (l1, l2), where l1 is the list of all the elements of l that satisfy the predicate p, and l2 is the list of all the elements of l that do not satisfy p.
partition [List]
partition p l returns a pair of lists (l1, l2), where l1 is the list of all the elements of l that satisfy the predicate p, and l2 is the list of all the elements of l that do not satisfy p.
pause [UnixLabels]
Wait until a non-ignored, non-blocked signal is delivered.
pause [Unix]
Wait until a non-ignored, non-blocked signal is delivered.
peek [Stream]
Return Some of "the first element" of the stream, or None if the stream is empty.
peek [Queue]
peek q returns the first element in queue q, without removing it from the queue, or raises Empty if the queue is empty.
pipe [UnixLabels]
Create a pipe.
pipe [Unix]
Create a pipe.
pipe [ThreadUnix]
pixels [Tk]
Converts various on-screen units to pixels, respective to the default display.
place [Tk]
Pack a widget inside its parent, at absolute coordinates.
plot [Graphics]
Plot the given point with the current drawing color.
plots [Graphics]
Plot the given points with the current drawing color.
point_color [Graphics]
Return the color of the given point in the backing store (see "Double buffering" below).
polar [Complex]
polar norm arg returns the complex having norm norm and argument arg.
poll [Event]
Non-blocking version of Event.sync: offer all the communication possibilities specified in the event to the outside world, and if one can take place immediately, perform it and return Some r where r is the result value of that communication.
pop [Stack]
pop s removes and returns the topmost element in stack s, or raises Empty if the stack is empty.
pop [Queue]
pop is a synonym for take.
pos_in [Pervasives.LargeFile]
pos_in [Pervasives]
Return the current reading position for the given channel.
pos_out [Pervasives.LargeFile]
pos_out [Pervasives]
Return the current writing position for the given channel.
pow [Complex]
Power function.
power_big_int_positive_big_int [Big_int]
Exponentiation functions.
power_big_int_positive_int [Big_int]
power_int_positive_big_int [Big_int]
power_int_positive_int [Big_int]
power_num [Num]
Exponentiation
pp_close_box [Format]
pp_close_tag [Format]
pp_close_tbox [Format]
pp_force_newline [Format]
pp_get_all_formatter_output_functions [Format]
pp_get_ellipsis_text [Format]
pp_get_formatter_output_functions [Format]
pp_get_formatter_tag_functions [Format]
These functions are the basic ones: usual functions operating on the standard formatter are defined via partial evaluation of these primitives.
pp_get_margin [Format]
pp_get_mark_tags [Format]
pp_get_max_boxes [Format]
pp_get_max_indent [Format]
pp_get_print_tags [Format]
pp_open_box [Format]
pp_open_hbox [Format]
pp_open_hovbox [Format]
pp_open_hvbox [Format]
pp_open_tag [Format]
pp_open_tbox [Format]
pp_open_vbox [Format]
pp_over_max_boxes [Format]
pp_print_as [Format]
pp_print_bool [Format]
pp_print_break [Format]
pp_print_char [Format]
pp_print_cut [Format]
pp_print_float [Format]
pp_print_flush [Format]
pp_print_if_newline [Format]
pp_print_int [Format]
pp_print_newline [Format]
pp_print_space [Format]
pp_print_string [Format]
pp_print_tab [Format]
pp_print_tbreak [Format]
pp_set_all_formatter_output_functions [Format]
pp_set_ellipsis_text [Format]
pp_set_formatter_out_channel [Format]
pp_set_formatter_output_functions [Format]
pp_set_formatter_tag_functions [Format]
pp_set_margin [Format]
pp_set_mark_tags [Format]
pp_set_max_boxes [Format]
pp_set_max_indent [Format]
pp_set_print_tags [Format]
pp_set_tab [Format]
pp_set_tags [Format]
pred [Pervasives]
pred x is x-1.
pred [Nativeint]
Predecessor.
pred [Int64]
Predecessor.
pred [Int32]
Predecessor.
pred_big_int [Big_int]
Predecessor (subtract 1).
pred_num [Num]
pred n is n-1
prerr_char [Pervasives]
Print a character on standard error.
prerr_endline [Pervasives]
Print a string, followed by a newline character on standard error and flush standard error.
prerr_float [Pervasives]
Print a floating-point number, in decimal, on standard error.
prerr_int [Pervasives]
Print an integer, in decimal, on standard error.
prerr_newline [Pervasives]
Print a newline character on standard error, and flush standard error.
prerr_string [Pervasives]
Print a string on standard error.
print [Printexc]
Printexc.print fn x applies fn to x and returns the result.
print_as [Format]
print_as len str prints str in the current box.
print_backtrace [Printexc]
Printexc.print_backtrace oc prints an exception backtrace on the output channel oc.
print_bool [Format]
Prints a boolean in the current box.
print_break [Format]
Inserts a break hint in a pretty-printing box.
print_char [Pervasives]
Print a character on standard output.
print_char [Format]
Prints a character in the current box.
print_cut [Format]
print_cut () is used to mark a good break position.
print_endline [Pervasives]
Print a string, followed by a newline character, on standard output and flush standard output.
print_float [Pervasives]
Print a floating-point number, in decimal, on standard output.
print_float [Format]
Prints a floating point number in the current box.
print_flush [Format]
Flushes the pretty printer: all opened boxes are closed, and all pending text is displayed.
print_if_newline [Format]
Executes the next formatting command if the preceding line has just been split.
print_int [Pervasives]
Print an integer, in decimal, on standard output.
print_int [Format]
Prints an integer in the current box.
print_newline [Pervasives]
Print a newline character on standard output, and flush standard output.
print_newline [Format]
Equivalent to print_flush followed by a new line.
print_space [Format]
print_space () is used to separate items (typically to print a space between two words).
print_stat [Gc]
Print the current values of the memory management counters (in human-readable form) into the channel argument.
print_string [Pervasives]
Print a string on standard output.
print_string [Format]
print_string str prints str in the current box.
print_tab [Format]
print_tab () is equivalent to print_tbreak (0,0).
print_tbreak [Format]
Break hint in a tabulation box.
printf [Printf]
Same as Printf.fprintf, but output on stdout.
printf [Format]
Same as fprintf above, but output on std_formatter.
prohibit [Dynlink]
prohibit units prohibits dynamically-linked units from referencing the units named in list units.
public_method_label [CamlinternalOO]
push [Stack]
push x s adds the element x at the top of stack s.
push [Queue]
push is a synonym for add.
putenv [UnixLabels]
Unix.putenv name value sets the value associated to a variable in the process environment.
putenv [Unix]
Unix.putenv name value sets the value associated to a variable in the process environment.

Q
quick_stat [Gc]
Same as stat except that live_words, live_blocks, free_words, free_blocks, largest_free, and fragments are set to 0.
quo_num [Num]
Euclidean division: quotient.
quomod_big_int [Big_int]
Euclidean division of two big integers.
quote [Str]
Str.quote s returns a regexp string that matches exactly s and nothing else.
quote [Filename]
Return a quoted version of a file name, suitable for use as one argument in a command line, escaping all meta-characters.

R
raise [Pervasives]
Raise the given exception value
raise_window [Tk]
ratio_of_num [Num]
rcontains_from [StringLabels]
String.rcontains_from s stop c tests if character c appears in the substring of s starting from the beginning of s to index stop.
rcontains_from [String]
String.rcontains_from s stop c tests if character c appears in s before position stop+1.
rcontains_from [StdLabels.String]
read [UnixLabels]
read fd buff ofs len reads len characters from descriptor fd, storing them in string buff, starting at position ofs in string buff.
read [Unix]
read fd buff ofs len reads len characters from descriptor fd, storing them in string buff, starting at position ofs in string buff.
read [ThreadUnix]
read_float [Pervasives]
Flush standard output, then read one line from standard input and convert it to a floating-point number.
read_int [Pervasives]
Flush standard output, then read one line from standard input and convert it to an integer.
read_key [Graphics]
Wait for a key to be pressed, and return the corresponding character.
read_line [Pervasives]
Flush standard output, then read characters from standard input until a newline character is encountered.
readdir [UnixLabels]
Return the next entry in a directory.
readdir [Unix]
Return the next entry in a directory.
readdir [Sys]
Return the names of all files present in the given directory.
readlink [UnixLabels]
Read the contents of a link.
readlink [Unix]
Read the contents of a link.
really_input [Pervasives]
really_input ic buf pos len reads len characters from channel ic, storing them in string buf, starting at character number pos.
receive [Event]
receive ch returns the event consisting in receiving a value from the channel ch.
record_backtrace [Printexc]
Printexc.record_backtrace b turns recording of exception backtraces on (if b = true) or off (if b = false).
recv [UnixLabels]
Receive data from a connected socket.
recv [Unix]
Receive data from a connected socket.
recv [ThreadUnix]
recvfrom [UnixLabels]
Receive data from an unconnected socket.
recvfrom [Unix]
Receive data from an unconnected socket.
recvfrom [ThreadUnix]
red [Graphics]
ref [Pervasives]
Return a fresh reference containing the given value.
regexp [Str]
Compile a regular expression.
regexp_case_fold [Str]
Same as regexp, but the compiled expression will match text in a case-insensitive way: uppercase and lowercase letters will be considered equivalent.
regexp_string [Str]
Str.regexp_string s returns a regular expression that matches exactly s and nothing else.
regexp_string_case_fold [Str]
Str.regexp_string_case_fold is similar to Str.regexp_string, but the regexp matches in a case-insensitive way.
register [Callback]
Callback.register n v registers the value v under the name n.
register_exception [Callback]
Callback.register_exception n exn registers the exception contained in the exception value exn under the name n.
rem [Nativeint]
Integer remainder.
rem [Int64]
Integer remainder.
rem [Int32]
Integer remainder.
remember_mode [Graphics]
Set remember mode on or off.
remove [Weak.S]
remove t x removes from t one instance of x.
remove [Sys]
Remove the given file name from the file system.
remove [Set.S]
remove x s returns a set containing all elements of s, except x.
remove [MoreLabels.Set.S]
remove [MoreLabels.Map.S]
remove [MoreLabels.Hashtbl.S]
remove [MoreLabels.Hashtbl]
remove [Map.S]
remove x m returns a map containing the same bindings as m, except for x which is unbound in the returned map.
remove [Hashtbl.S]
remove [Hashtbl]
Hashtbl.remove tbl x removes the current binding of x in tbl, restoring the previous binding if it exists.
remove [Dbm]
remove db key data removes the data associated with key in db.
remove_assoc [StdLabels.List]
remove_assoc [ListLabels]
remove_assoc a l returns the list of pairs l without the first pair with key a, if any.
remove_assoc [List]
remove_assoc a l returns the list of pairs l without the first pair with key a, if any.
remove_assq [StdLabels.List]
remove_assq [ListLabels]
Same as ListLabels.remove_assoc, but uses physical equality instead of structural equality to compare keys.
remove_assq [List]
Same as List.remove_assoc, but uses physical equality instead of structural equality to compare keys.
rename [UnixLabels]
rename old new changes the name of a file from old to new.
rename [Unix]
rename old new changes the name of a file from old to new.
rename [Sys]
Rename a file.
replace [MoreLabels.Hashtbl.S]
replace [MoreLabels.Hashtbl]
replace [Hashtbl.S]
replace [Hashtbl]
Hashtbl.replace tbl x y replaces the current binding of x in tbl by a binding of x to y.
replace [Dbm]
replace db key data inserts the pair (key, data) in the database db.
replace_first [Str]
Same as Str.global_replace, except that only the first substring matching the regular expression is replaced.
replace_matched [Str]
replace_matched repl s returns the replacement text repl in which \1, \2, etc.
repr [Obj]
reset [Buffer]
Empty the buffer and deallocate the internal string holding the buffer contents, replacing it with the initial internal string of length n that was allocated by Buffer.create n.
reshape [Bigarray]
reshape b [|d1;...;dN|] converts the big array b to a N-dimensional array of dimensions d1...
reshape_1 [Bigarray]
Specialized version of Bigarray.reshape for reshaping to one-dimensional arrays.
reshape_2 [Bigarray]
Specialized version of Bigarray.reshape for reshaping to two-dimensional arrays.
reshape_3 [Bigarray]
Specialized version of Bigarray.reshape for reshaping to three-dimensional arrays.
resize_window [Graphics]
Resize and erase the graphics window.
rev [StdLabels.List]
rev [ListLabels]
List reversal.
rev [List]
List reversal.
rev_append [StdLabels.List]
rev_append [ListLabels]
List.rev_append l1 l2 reverses l1 and concatenates it to l2.
rev_append [List]
List.rev_append l1 l2 reverses l1 and concatenates it to l2.
rev_map [StdLabels.List]
rev_map [ListLabels]
List.rev_map f l gives the same result as ListLabels.rev (ListLabels.map f l), but is tail-recursive and more efficient.
rev_map [List]
List.rev_map f l gives the same result as List.rev (List.map f l), but is tail-recursive and more efficient.
rev_map2 [StdLabels.List]
rev_map2 [ListLabels]
List.rev_map2 f l1 l2 gives the same result as ListLabels.rev (ListLabels.map2 f l1 l2), but is tail-recursive and more efficient.
rev_map2 [List]
List.rev_map2 f l1 l2 gives the same result as List.rev (List.map2 f l1 l2), but is tail-recursive and more efficient.
rewinddir [UnixLabels]
Reposition the descriptor to the beginning of the directory
rewinddir [Unix]
Reposition the descriptor to the beginning of the directory
rgb [Graphics]
rgb r g b returns the integer encoding the color with red component r, green component g, and blue component b.
rhs_end [Parsing]
rhs_end_pos [Parsing]
Same as rhs_end, but return a position instead of an offset.
rhs_start [Parsing]
Same as Parsing.symbol_start and Parsing.symbol_end, but return the offset of the string matching the nth item on the right-hand side of the rule, where n is the integer parameter to rhs_start and rhs_end.
rhs_start_pos [Parsing]
Same as rhs_start, but return a position instead of an offset.
rindex [StringLabels]
String.rindex s c returns the position of the rightmost occurrence of character c in string s.
rindex [String]
String.rindex s c returns the character number of the last occurrence of character c in string s.
rindex [StdLabels.String]
rindex_from [StringLabels]
Same as StringLabels.rindex, but start searching at the character position given as second argument.
rindex_from [String]
String.rindex_from s i c returns the character number of the last occurrence of character c in string s before position i+1.
rindex_from [StdLabels.String]
rlineto [Graphics]
Draw a line with endpoints the current point and the current point translated of the given vector, and move the current point to this point.
rmdir [UnixLabels]
Remove an empty directory.
rmdir [Unix]
Remove an empty directory.
rmoveto [Graphics]
rmoveto dx dy translates the current point by the given vector.
round_num [Num]
round_num n returns the integer closest to n.
run_initializers [CamlinternalOO]
run_initializers_opt [CamlinternalOO]

S
scanf [Scanf]
Same as Scanf.bscanf, but reads from the predefined scanning buffer Scanf.Scanning.stdib that is connected to stdin.
search_backward [Str]
search_backward r s last searches the string s for a substring matching the regular expression r.
search_forward [Str]
search_forward r s start searches the string s for a substring matching the regular expression r.
seek_in [Pervasives.LargeFile]
seek_in [Pervasives]
seek_in chan pos sets the current reading position to pos for channel chan.
seek_out [Pervasives.LargeFile]
seek_out [Pervasives]
seek_out chan pos sets the current writing position to pos for channel chan.
select [UnixLabels]
Wait until some input/output operations become possible on some channels.
select [Unix]
Wait until some input/output operations become possible on some channels.
select [ThreadUnix]
select [Thread]
Suspend the execution of the calling thead until input/output becomes possible on the given Unix file descriptors.
select [Event]
``Synchronize'' on an alternative of events.
self [Thread]
Return the thread currently executing.
self_init [Random]
Initialize the generator with a more-or-less random seed chosen in a system-dependent way.
send [UnixLabels]
Send data over a connected socket.
send [Unix]
Send data over a connected socket.
send [ThreadUnix]
send [Event]
send ch v returns the event consisting in sending the value v over the channel ch.
send [CamlinternalOO]
sendcache [CamlinternalOO]
sendself [CamlinternalOO]
sendto [UnixLabels]
Send data over an unconnected socket.
sendto [Unix]
Send data over an unconnected socket.
sendto [ThreadUnix]
set [Weak]
Weak.set ar n (Some el) sets the nth cell of ar to be a (full) pointer to el; Weak.set ar n None sets the nth cell of ar to empty.
set [StringLabels]
String.set s n c modifies string s in place, replacing the character number n by c.
set [String]
String.set s n c modifies string s in place, replacing the character number n by c.
set [StdLabels.String]
set [StdLabels.Array]
set [Gc]
set r changes the GC parameters according to the control record r.
set [Bigarray.Array3]
Array3.set a x y v, or alternatively a.{x,y,z} <- v, stores the value v at coordinates (x, y, z) in a.
set [Bigarray.Array2]
Array2.set a x y v, or alternatively a.{x,y} <- v, stores the value v at coordinates (x, y) in a.
set [Bigarray.Array1]
Array1.set a x v, also written a.{x} <- v, stores the value v at index x in a.
set [Bigarray.Genarray]
Assign an element of a generic big array.
set [ArrayLabels]
Array.set a n x modifies array a in place, replacing element number n with x.
set [Array]
Array.set a n x modifies array a in place, replacing element number n with x.
set_all_formatter_output_functions [Format]
set_all_formatter_output_functions out flush outnewline outspace redirects the pretty-printer output to the functions out and flush as described in set_formatter_output_functions.
set_approx_printing [Arith_status]
Get or set the flag approx_printing.
set_binary_mode_in [Pervasives]
set_binary_mode_in ic true sets the channel ic to binary mode: no translations take place during input.
set_binary_mode_out [Pervasives]
set_binary_mode_out oc true sets the channel oc to binary mode: no translations take place during output.
set_close_on_exec [UnixLabels]
Set the ``close-on-exec'' flag on the given descriptor.
set_close_on_exec [Unix]
Set the ``close-on-exec'' flag on the given descriptor.
set_color [Graphics]
Set the current drawing color.
set_ellipsis_text [Format]
Set the text of the ellipsis printed when too many boxes are opened (a single dot, ., by default).
set_error_when_null_denominator [Arith_status]
Get or set the flag null_denominator.
set_field [Obj]
set_floating_precision [Arith_status]
Get or set the parameter floating_precision.
set_font [Graphics]
Set the font used for drawing text.
set_formatter_out_channel [Format]
Redirect the pretty-printer output to the given channel.
set_formatter_output_functions [Format]
set_formatter_output_functions out flush redirects the pretty-printer output to the functions out and flush.
set_formatter_tag_functions [Format]
set_line_width [Graphics]
Set the width of points and lines drawn with the functions above.
set_margin [Format]
set_margin d sets the value of the right margin to d (in characters): this value is used to detect line overflows that leads to split lines.
set_mark_tags [Format]
set_print_tags b turns on or off the printing of tags, while set_mark_tags b turns on or off the output of tag markers.
set_max_boxes [Format]
set_max_boxes max sets the maximum number of boxes simultaneously opened.
set_max_indent [Format]
set_max_indent d sets the value of the maximum indentation limit to d (in characters): once this limit is reached, boxes are rejected to the left, if they do not fit on the current line.
set_method [CamlinternalOO]
set_methods [CamlinternalOO]
set_nonblock [UnixLabels]
Set the ``non-blocking'' flag on the given descriptor.
set_nonblock [Unix]
Set the ``non-blocking'' flag on the given descriptor.
set_normalize_ratio [Arith_status]
Get or set the flag normalize_ratio.
set_normalize_ratio_when_printing [Arith_status]
Get or set the flag normalize_ratio_when_printing.
set_print_tags [Format]
set_signal [Sys]
Same as Sys.signal but return value is ignored.
set_state [Random]
Set the state of the generator used by the basic functions.
set_tab [Format]
Sets a tabulation mark at the current insertion point.
set_tag [Obj]
set_tags [Format]
set_tags b turns on or off the treatment of tags (default is off).
set_text_size [Graphics]
Set the character size used for drawing text.
set_trace [Parsing]
Control debugging support for ocamlyacc-generated parsers.
set_window_title [Graphics]
Set the title of the graphics window.
setgid [UnixLabels]
Set the real group id and effective group id for the process.
setgid [Unix]
Set the real group id and effective group id for the process.
setitimer [UnixLabels]
setitimer t s sets the interval timer t and returns its previous status.
setitimer [Unix]
setitimer t s sets the interval timer t and returns its previous status.
setsid [UnixLabels]
Put the calling process in a new session and detach it from its controlling terminal.
setsid [Unix]
Put the calling process in a new session and detach it from its controlling terminal.
setsockopt [UnixLabels]
Set or clear a boolean-valued option in the given socket.
setsockopt [Unix]
Set or clear a boolean-valued option in the given socket.
setsockopt_float [UnixLabels]
Same as Unix.setsockopt for a socket option whose value is a floating-point number.
setsockopt_float [Unix]
Same as Unix.setsockopt for a socket option whose value is a floating-point number.
setsockopt_int [UnixLabels]
Same as Unix.setsockopt for an integer-valued socket option.
setsockopt_int [Unix]
Same as Unix.setsockopt for an integer-valued socket option.
setsockopt_optint [UnixLabels]
Same as Unix.setsockopt for a socket option whose value is an int option.
setsockopt_optint [Unix]
Same as Unix.setsockopt for a socket option whose value is an int option.
setuid [UnixLabels]
Set the real user id and effective user id for the process.
setuid [Unix]
Set the real user id and effective user id for the process.
shift_left [Nativeint]
Nativeint.shift_left x y shifts x to the left by y bits.
shift_left [Int64]
Int64.shift_left x y shifts x to the left by y bits.
shift_left [Int32]
Int32.shift_left x y shifts x to the left by y bits.
shift_right [Nativeint]
Nativeint.shift_right x y shifts x to the right by y bits.
shift_right [Int64]
Int64.shift_right x y shifts x to the right by y bits.
shift_right [Int32]
Int32.shift_right x y shifts x to the right by y bits.
shift_right_logical [Nativeint]
Nativeint.shift_right_logical x y shifts x to the right by y bits.
shift_right_logical [Int64]
Int64.shift_right_logical x y shifts x to the right by y bits.
shift_right_logical [Int32]
Int32.shift_right_logical x y shifts x to the right by y bits.
shutdown [UnixLabels]
Shutdown a socket connection.
shutdown [Unix]
Shutdown a socket connection.
shutdown_connection [UnixLabels]
``Shut down'' a connection established with UnixLabels.open_connection; that is, transmit an end-of-file condition to the server reading on the other side of the connection.
shutdown_connection [Unix]
``Shut down'' a connection established with Unix.open_connection; that is, transmit an end-of-file condition to the server reading on the other side of the connection.
sigabrt [Sys]
Abnormal termination
sigalrm [Sys]
Timeout
sigchld [Sys]
Child process terminated
sigcont [Sys]
Continue
sigfpe [Sys]
Arithmetic exception
sighup [Sys]
Hangup on controlling terminal
sigill [Sys]
Invalid hardware instruction
sigint [Sys]
Interactive interrupt (ctrl-C)
sigkill [Sys]
Termination (cannot be ignored)
sigmask [Thread]
sigmask cmd sigs changes the set of blocked signals for the calling thread.
sign_big_int [Big_int]
Return 0 if the given big integer is zero, 1 if it is positive, and -1 if it is negative.
sign_num [Num]
Return -1, 0 or 1 according to the sign of the argument.
signal [Sys]
Set the behavior of the system on receipt of a given signal.
signal [Condition]
signal c restarts one of the processes waiting on the condition variable c.
sigpending [UnixLabels]
Return the set of blocked signals that are currently pending.
sigpending [Unix]
Return the set of blocked signals that are currently pending.
sigpipe [Sys]
Broken pipe
sigprocmask [UnixLabels]
sigprocmask cmd sigs changes the set of blocked signals.
sigprocmask [Unix]
sigprocmask cmd sigs changes the set of blocked signals.
sigprof [Sys]
Profiling interrupt
sigquit [Sys]
Interactive termination
sigsegv [Sys]
Invalid memory reference
sigstop [Sys]
Stop
sigsuspend [UnixLabels]
sigsuspend sigs atomically sets the blocked signals to sigs and waits for a non-ignored, non-blocked signal to be delivered.
sigsuspend [Unix]
sigsuspend sigs atomically sets the blocked signals to sigs and waits for a non-ignored, non-blocked signal to be delivered.
sigterm [Sys]
Termination
sigtstp [Sys]
Interactive stop
sigttin [Sys]
Terminal read from background process
sigttou [Sys]
Terminal write from background process
sigusr1 [Sys]
Application-defined signal 1
sigusr2 [Sys]
Application-defined signal 2
sigvtalrm [Sys]
Timeout in virtual time
sin [Pervasives]
See atan2.
single_write [UnixLabels]
Same as write, but attempts to write only once.
single_write [Unix]
Same as write, but attempts to write only once.
singleton [Set.S]
singleton x returns the one-element set containing only x.
singleton [MoreLabels.Set.S]
sinh [Pervasives]
See tanh.
size [Obj]
size [Nativeint]
The size in bits of a native integer.
size_x [Graphics]
size_y [Graphics]
Return the size of the graphics window.
sleep [UnixLabels]
Stop execution for the given number of seconds.
sleep [Unix]
Stop execution for the given number of seconds.
sleep [ThreadUnix]
slice_left [Bigarray.Array2]
Extract a row (one-dimensional slice) of the given two-dimensional big array.
slice_left [Bigarray.Genarray]
Extract a sub-array of lower dimension from the given big array by fixing one or several of the first (left-most) coordinates.
slice_left_1 [Bigarray.Array3]
Extract a one-dimensional slice of the given three-dimensional big array by fixing the first two coordinates.
slice_left_2 [Bigarray.Array3]
Extract a two-dimensional slice of the given three-dimensional big array by fixing the first coordinate.
slice_right [Bigarray.Array2]
Extract a column (one-dimensional slice) of the given two-dimensional big array.
slice_right [Bigarray.Genarray]
Extract a sub-array of lower dimension from the given big array by fixing one or several of the last (right-most) coordinates.
slice_right_1 [Bigarray.Array3]
Extract a one-dimensional slice of the given three-dimensional big array by fixing the last two coordinates.
slice_right_2 [Bigarray.Array3]
Extract a two-dimensional slice of the given three-dimensional big array by fixing the last coordinate.
snd [Pervasives]
Return the second component of a pair.
socket [UnixLabels]
Create a new socket in the given domain, and with the given kind.
socket [Unix]
Create a new socket in the given domain, and with the given kind.
socket [ThreadUnix]
socketpair [UnixLabels]
Create a pair of unnamed sockets, connected together.
socketpair [Unix]
Create a pair of unnamed sockets, connected together.
sort [StdLabels.List]
sort [StdLabels.Array]
sort [ListLabels]
Sort a list in increasing order according to a comparison function.
sort [List]
Sort a list in increasing order according to a comparison function.
sort [ArrayLabels]
Sort an array in increasing order according to a comparison function.
sort [Array]
Sort an array in increasing order according to a comparison function.
sound [Graphics]
sound freq dur plays a sound at frequency freq (in hertz) for a duration dur (in milliseconds).
split [Str]
split r s splits s into substrings, taking as delimiters the substrings that match r, and returns the list of substrings.
split [StdLabels.List]
split [Set.S]
split x s returns a triple (l, present, r), where l is the set of elements of s that are strictly less than x; r is the set of elements of s that are strictly greater than x; present is false if s contains no element equal to x, or true if s contains an element equal to x.
split [MoreLabels.Set.S]
split [ListLabels]
Transform a list of pairs into a pair of lists: split [(a1,b1); ...; (an,bn)] is ([a1; ...; an], [b1; ...; bn]).
split [List]
Transform a list of pairs into a pair of lists: split [(a1,b1); ...; (an,bn)] is ([a1; ...; an], [b1; ...; bn]).
split_delim [Str]
Same as Str.split but occurrences of the delimiter at the beginning and at the end of the string are recognized and returned as empty strings in the result.
sprintf [Printf]
Same as Printf.fprintf, but instead of printing on an output channel, return a string containing the result of formatting the arguments.
sprintf [Format]
Same as printf above, but instead of printing on a formatter, returns a string containing the result of formatting the arguments.
sqrt [Pervasives]
Square root
sqrt [Complex]
Square root.
sqrt_big_int [Big_int]
sqrt_big_int a returns the integer square root of a, that is, the largest big integer r such that r * r <= a.
square_big_int [Big_int]
Return the square of the given big integer
square_num [Num]
Squaring
sscanf [Scanf]
Same as Scanf.bscanf, but reads from the given string.
sscanf_format [Scanf]
Same as Scanf.bscanf_format, but reads from the given string.
stable_sort [StdLabels.List]
stable_sort [StdLabels.Array]
stable_sort [ListLabels]
Same as ListLabels.sort, but the sorting algorithm is guaranteed to be stable (i.e.
stable_sort [List]
Same as List.sort, but the sorting algorithm is guaranteed to be stable (i.e.
stable_sort [ArrayLabels]
Same as ArrayLabels.sort, but the sorting algorithm is stable (i.e.
stable_sort [Array]
Same as Array.sort, but the sorting algorithm is stable (i.e.
stat [UnixLabels.LargeFile]
stat [UnixLabels]
Return the information for the named file.
stat [Unix.LargeFile]
stat [Unix]
Return the information for the named file.
stat [Gc]
Return the current values of the memory management counters in a stat record.
stats [Weak.S]
Return statistics on the table.
stats [CamlinternalOO]
std_formatter [Format]
The standard formatter used by the formatting functions above.
stdbuf [Format]
The string buffer in which str_formatter writes.
stderr [UnixLabels]
File descriptor for standard error.
stderr [Unix]
File descriptor for standard error.
stderr [Pervasives]
The standard error ouput for the process.
stdib [Scanf.Scanning]
The scanning buffer reading from stdin.
stdin [UnixLabels]
File descriptor for standard input.
stdin [Unix]
File descriptor for standard input.
stdin [Pervasives]
The standard input for the process.
stdout [UnixLabels]
File descriptor for standard output.
stdout [Unix]
File descriptor for standard output.
stdout [Pervasives]
The standard output for the process.
str_formatter [Format]
A formatter to use with formatting functions below for output to the stdbuf string buffer.
string [Digest]
Return the digest of the given string.
string_after [Str]
string_after s n returns the substring of all characters of s that follow position n (including the character at position n).
string_before [Str]
string_before s n returns the substring of all characters of s that precede position n (excluding the character at position n).
string_match [Str]
string_match r s start tests whether a substring of s that starts at position start matches the regular expression r.
string_of_big_int [Big_int]
Return the string representation of the given big integer, in decimal (base 10).
string_of_bool [Pervasives]
Return the string representation of a boolean.
string_of_float [Pervasives]
Return the string representation of a floating-point number.
string_of_format [Pervasives]
Converts a format string into a string.
string_of_inet_addr [UnixLabels]
Return the printable representation of the given Internet address.
string_of_inet_addr [Unix]
Return the printable representation of the given Internet address.
string_of_int [Pervasives]
Return the string representation of an integer, in decimal.
string_of_num [Num]
Convert a number to a string, using fractional notation.
string_partial_match [Str]
Similar to Str.string_match, but also returns true if the argument string is a prefix of a string that matches.
string_tag [Obj]
sub [StringLabels]
String.sub s start len returns a fresh string of length len, containing the characters number start to start + len - 1 of string s.
sub [String]
String.sub s start len returns a fresh string of length len, containing the substring of s that starts at position start and has length len.
sub [StdLabels.String]
sub [StdLabels.Array]
sub [Nativeint]
Subtraction.
sub [Int64]
Subtraction.
sub [Int32]
Subtraction.
sub [Complex]
Subtraction
sub [Buffer]
Buffer.sub b off len returns (a copy of) the substring of the current contents of the buffer b starting at offset off of length len bytes.
sub [Bigarray.Array1]
Extract a sub-array of the given one-dimensional big array.
sub [ArrayLabels]
Array.sub a start len returns a fresh array of length len, containing the elements number start to start + len - 1 of array a.
sub [Array]
Array.sub a start len returns a fresh array of length len, containing the elements number start to start + len - 1 of array a.
sub_big_int [Big_int]
Subtraction.
sub_left [Bigarray.Array3]
Extract a three-dimensional sub-array of the given three-dimensional big array by restricting the first dimension.
sub_left [Bigarray.Array2]
Extract a two-dimensional sub-array of the given two-dimensional big array by restricting the first dimension.
sub_left [Bigarray.Genarray]
Extract a sub-array of the given big array by restricting the first (left-most) dimension.
sub_num [Num]
Subtraction
sub_right [Bigarray.Array3]
Extract a three-dimensional sub-array of the given three-dimensional big array by restricting the second dimension.
sub_right [Bigarray.Array2]
Extract a two-dimensional sub-array of the given two-dimensional big array by restricting the second dimension.
sub_right [Bigarray.Genarray]
Extract a sub-array of the given big array by restricting the last (right-most) dimension.
subset [Set.S]
subset s1 s2 tests whether the set s1 is a subset of the set s2.
subset [MoreLabels.Set.S]
substitute_first [Str]
Same as Str.global_substitute, except that only the first substring matching the regular expression is replaced.
substring [Digest]
Digest.substring s ofs len returns the digest of the substring of s starting at character number ofs and containing len characters.
succ [Pervasives]
succ x is x+1.
succ [Nativeint]
Successor.
succ [Int64]
Successor.
succ [Int32]
Successor.
succ_big_int [Big_int]
Successor (add 1).
succ_num [Num]
succ n is n+1
symbol_end [Parsing]
symbol_end_pos [Parsing]
Same as symbol_end, but return a position instead of an offset.
symbol_start [Parsing]
symbol_start and Parsing.symbol_end are to be called in the action part of a grammar rule only.
symbol_start_pos [Parsing]
Same as symbol_start, but return a position instead of an offset.
symlink [UnixLabels]
symlink source dest creates the file dest as a symbolic link to the file source.
symlink [Unix]
symlink source dest creates the file dest as a symbolic link to the file source.
sync [Event]
``Synchronize'' on an event: offer all the communication possibilities specified in the event to the outside world, and block until one of the communications succeed.
synchronize [Graphics]
Synchronize the backing store and the on-screen window, by copying the contents of the backing store onto the graphics window.
system [UnixLabels]
Execute the given command, wait until it terminates, and return its termination status.
system [Unix]
Execute the given command, wait until it terminates, and return its termination status.
system [ThreadUnix]

T
tag [Obj]
take [Queue]
take q removes and returns the first element in queue q, or raises Empty if the queue is empty.
tan [Pervasives]
See atan2.
tanh [Pervasives]
The usual hyperbolic trigonometric functions.
tcdrain [UnixLabels]
Waits until all output written on the given file descriptor has been transmitted.
tcdrain [Unix]
Waits until all output written on the given file descriptor has been transmitted.
tcflow [UnixLabels]
Suspend or restart reception or transmission of data on the given file descriptor, depending on the second argument: TCOOFF suspends output, TCOON restarts output, TCIOFF transmits a STOP character to suspend input, and TCION transmits a START character to restart input.
tcflow [Unix]
Suspend or restart reception or transmission of data on the given file descriptor, depending on the second argument: TCOOFF suspends output, TCOON restarts output, TCIOFF transmits a STOP character to suspend input, and TCION transmits a START character to restart input.
tcflush [UnixLabels]
Discard data written on the given file descriptor but not yet transmitted, or data received but not yet read, depending on the second argument: TCIFLUSH flushes data received but not read, TCOFLUSH flushes data written but not transmitted, and TCIOFLUSH flushes both.
tcflush [Unix]
Discard data written on the given file descriptor but not yet transmitted, or data received but not yet read, depending on the second argument: TCIFLUSH flushes data received but not read, TCOFLUSH flushes data written but not transmitted, and TCIOFLUSH flushes both.
tcgetattr [UnixLabels]
Return the status of the terminal referred to by the given file descriptor.
tcgetattr [Unix]
Return the status of the terminal referred to by the given file descriptor.
tcsendbreak [UnixLabels]
Send a break condition on the given file descriptor.
tcsendbreak [Unix]
Send a break condition on the given file descriptor.
tcsetattr [UnixLabels]
Set the status of the terminal referred to by the given file descriptor.
tcsetattr [Unix]
Set the status of the terminal referred to by the given file descriptor.
temp_dir_name [Filename]
The name of the temporary directory: Under Unix, the value of the TMPDIR environment variable, or "/tmp" if the variable is not set.
temp_file [Filename]
temp_file prefix suffix returns the name of a fresh temporary file in the temporary directory.
text_size [Graphics]
Return the dimensions of the given text, if it were drawn with the current font and size.
time [UnixLabels]
Return the current time since 00:00:00 GMT, Jan.
time [Unix]
Return the current time since 00:00:00 GMT, Jan.
time [Sys]
Return the processor time, in seconds, used by the program since the beginning of execution.
timed_read [ThreadUnix]
timed_write [ThreadUnix]
Behave as ThreadUnix.read and ThreadUnix.write, except that Unix_error(ETIMEDOUT,_,_) is raised if no data is available for reading or ready for writing after d seconds.
times [UnixLabels]
Return the execution times of the process.
times [Unix]
Return the execution times of the process.
tl [StdLabels.List]
tl [ListLabels]
Return the given list without its first element.
tl [List]
Return the given list without its first element.
to_buffer [Marshal]
Marshal.to_buffer buff ofs len v flags marshals the value v, storing its byte representation in the string buff, starting at character number ofs, and writing at most len characters.
to_channel [Marshal]
Marshal.to_channel chan v flags writes the representation of v on channel chan.
to_float [Nativeint]
Convert the given native integer to a floating-point number.
to_float [Int64]
Convert the given 64-bit integer to a floating-point number.
to_float [Int32]
Convert the given 32-bit integer to a floating-point number.
to_hex [Digest]
Return the printable hexadecimal representation of the given digest.
to_int [Nativeint]
Convert the given native integer (type nativeint) to an integer (type int).
to_int [Int64]
Convert the given 64-bit integer (type int64) to an integer (type int).
to_int [Int32]
Convert the given 32-bit integer (type int32) to an integer (type int).
to_int32 [Nativeint]
Convert the given native integer to a 32-bit integer (type int32).
to_int32 [Int64]
Convert the given 64-bit integer (type int64) to a 32-bit integer (type int32).
to_list [StdLabels.Array]
to_list [ArrayLabels]
Array.to_list a returns the list of all the elements of a.
to_list [Array]
Array.to_list a returns the list of all the elements of a.
to_nativeint [Int64]
Convert the given 64-bit integer (type int64) to a native integer.
to_string [Printexc]
Printexc.to_string e returns a string representation of the exception e.
to_string [Nativeint]
Return the string representation of its argument, in decimal.
to_string [Marshal]
Marshal.to_string v flags returns a string containing the representation of v as a sequence of bytes.
to_string [Int64]
Return the string representation of its argument, in decimal.
to_string [Int32]
Return the string representation of its argument, in signed decimal.
top [Stack]
top s returns the topmost element in stack s, or raises Empty if the stack is empty.
top [Queue]
top is a synonym for peek.
total_size [Marshal]
transfer [Queue]
transfer q1 q2 adds all of q1's elements at the end of the queue q2, then clears q1.
transp [Graphics]
In matrices of colors, this color represent a ``transparent'' point: when drawing the corresponding image, all pixels on the screen corresponding to a transparent pixel in the image will not be modified, while other points will be set to the color of the corresponding point in the image.
truncate [UnixLabels.LargeFile]
truncate [UnixLabels]
Truncates the named file to the given size.
truncate [Unix.LargeFile]
truncate [Unix]
Truncates the named file to the given size.
truncate [Pervasives]
Same as int_of_float.
truncate [Obj]
try_lock [Mutex]
Same as Mutex.lock, but does not suspend the calling thread if the mutex is already locked: just return false immediately in that case.

U
umask [UnixLabels]
Set the process's file mode creation mask, and return the previous mask.
umask [Unix]
Set the process's file mode creation mask, and return the previous mask.
unaligned_tag [Obj]
uncapitalize [StringLabels]
Return a copy of the argument, with the first character set to lowercase.
uncapitalize [String]
Return a copy of the argument, with the first character set to lowercase.
uncapitalize [StdLabels.String]
union [Set.S]
Set union.
union [MoreLabels.Set.S]
unit_big_int [Big_int]
The big integer 1.
unlink [UnixLabels]
Removes the named file
unlink [Unix]
Removes the named file
unlock [Mutex]
Unlock the given mutex.
unmarshal [Obj]
unsafe_blit [StdLabels.String]
unsafe_fill [StdLabels.String]
unsafe_get [StdLabels.String]
unsafe_get [StdLabels.Array]
unsafe_get [Bigarray.Array3]
Like Bigarray.Array3.get, but bounds checking is not always performed.
unsafe_get [Bigarray.Array2]
Like Bigarray.Array2.get, but bounds checking is not always performed.
unsafe_get [Bigarray.Array1]
Like Bigarray.Array1.get, but bounds checking is not always performed.
unsafe_set [StdLabels.String]
unsafe_set [StdLabels.Array]
unsafe_set [Bigarray.Array3]
Like Bigarray.Array3.set, but bounds checking is not always performed.
unsafe_set [Bigarray.Array2]
Like Bigarray.Array2.set, but bounds checking is not always performed.
unsafe_set [Bigarray.Array1]
Like Bigarray.Array1.set, but bounds checking is not always performed.
update [Tk]
Synchronize display with internal state.
update_mod [CamlinternalMod]
uppercase [StringLabels]
Return a copy of the argument, with all lowercase letters translated to uppercase, including accented letters of the ISO Latin-1 (8859-1) character set.
uppercase [String]
Return a copy of the argument, with all lowercase letters translated to uppercase, including accented letters of the ISO Latin-1 (8859-1) character set.
uppercase [StdLabels.String]
uppercase [Char]
Convert the given character to its equivalent uppercase character.
usage [Arg]
Arg.usage speclist usage_msg prints an error message including the list of valid options.
utimes [UnixLabels]
Set the last access time (second arg) and last modification time (third arg) for a file.
utimes [Unix]
Set the last access time (second arg) and last modification time (third arg) for a file.

W
wait [UnixLabels]
Wait until one of the children processes die, and return its pid and termination status.
wait [Unix]
Wait until one of the children processes die, and return its pid and termination status.
wait [ThreadUnix]
wait [Condition]
wait c m atomically unlocks the mutex m and suspends the calling process on the condition variable c.
wait_next_event [Graphics]
Wait until one of the events specified in the given event list occurs, and return the status of the mouse and keyboard at that time.
wait_pid [Thread]
wait_pid p suspends the execution of the calling thread until the process specified by the process identifier p terminates.
wait_read [Thread]
wait_signal [Thread]
wait_signal sigs suspends the execution of the calling thread until the process receives one of the signals specified in the list sigs.
wait_timed_read [Thread]
wait_timed_write [Thread]
Suspend the execution of the calling thread until at least one character is available for reading (wait_read) or one character can be written without blocking (wait_write) on the given Unix file descriptor.
wait_write [Thread]
This function does nothing in this implementation.
waitpid [UnixLabels]
Same as UnixLabels.wait, but waits for the process whose pid is given.
waitpid [Unix]
Same as Unix.wait, but waits for the child process whose pid is given.
waitpid [ThreadUnix]
white [Graphics]
widen [CamlinternalOO]
window_id [GraphicsX11]
Return the unique identifier of the Caml graphics window.
word_size [Sys]
Size of one word on the machine currently executing the Caml program, in bits: 32 or 64.
wrap [Event]
wrap ev fn returns the event that performs the same communications as ev, then applies the post-processing function fn on the return value.
wrap_abort [Event]
wrap_abort ev fn returns the event that performs the same communications as ev, but if it is not selected the function fn is called after the synchronization.
write [UnixLabels]
write fd buff ofs len writes len characters to descriptor fd, taking them from string buff, starting at position ofs in string buff.
write [Unix]
write fd buff ofs len writes len characters to descriptor fd, taking them from string buff, starting at position ofs in string buff.
write [ThreadUnix]

Y
yellow [Graphics]
yield [Thread]
Re-schedule the calling thread without suspending it.

Z
zero [Nativeint]
The native integer 0.
zero [Int64]
The 64-bit integer 0.
zero [Int32]
The 32-bit integer 0.
zero [Complex]
The complex number 0.
zero_big_int [Big_int]
The big integer 0.