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[Caml-list] optional arguments
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Selentek 24331-03
- Richard Jones
- Artem Prisyznuk
- Brian Hurt
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| Date: | -- (:) |
| From: | Richard Jones <rich@a...> |
| Subject: | Re: [Caml-list] optional arguments |
On Mon, Nov 17, 2003 at 11:52:49AM +0300, Selentek 24331-03 wrote: [...] Like this? # let f ?v () = match v with | Some i -> i + 1 | None -> 0 ;; val f : ?v:int -> unit -> int = <fun> # let v = Some 1;; val v : int option = Some 1 # f ?v ();; - : int = 2 # let v = None;; val v : 'a option = None # f ?v ();; - : int = 0 Rich. -- Richard Jones. http://www.annexia.org/ http://freshmeat.net/users/rwmj Merjis Ltd. http://www.merjis.com/ - improving website return on investment MONOLITH is an advanced framework for writing web applications in C, easier than using Perl & Java, much faster and smaller, reusable widget-based arch, database-backed, discussion, chat, calendaring: http://www.annexia.org/freeware/monolith/ ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners