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IDProjectCategoryView StatusDate SubmittedLast Update
0003544OCamlOCaml generalpublic2005-03-17 03:152005-04-11 19:00
Reporteradministrator 
Assigned To 
PrioritynormalSeverityfeatureReproducibilityalways
StatusacknowledgedResolutionopen 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0003544: immutable strings
DescriptionFull_Name: Oliver Bandel
Version: 3.08.0
OS: Mac OS-X
Submission from: dialin-145-254-064-192.arcor-ip.net (145.254.64.192)


Feature Wish:

keyword "immutable" for saying OCaml that a string
is an immutable string, so changing it will be
disallowed.

As in a record it is possible to say that a value
is "mutable" (instead of immutable), so for strings
(but hopefully not only in records) it would be nice
to say "immutable" to get an immutable string.


(but if only possible (or consistent) to have such an
additional keyword in records (like "mutable" is there possible)
than having this possibility only inside of records ie better than
do not have that possibility at all.

but if one could say

let immutable x = "Hello World!"

and a

  x.[0] <- 'x'

would result in an error message ("x is immutable")
than this would be very nice. :)


Best Regards to the OCamnl Team,
   Oliver Bandel

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Date Modified Username Field Change
2005-11-18 10:13 administrator New Issue


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