Version française
Home     About     Download     Resources     Contact us    
Browse thread
Re: [Caml-list] ocaml 3.07 and optional arguments
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: -- (:)
From: artboreb@n...
Subject: Re: [Caml-list] ocaml 3.07 and optional arguments
Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp> wrote:

>> From: "Vincent Barichard" <Vincent.Barichard@info.univ-angers.fr>
>> 
>> > I've just downloaded ocaml 3.07 and compil it. But when I try to compil old
>> > programs, I encounter some problems with optional arguments in methods.
>> [...]
>> > Is there any changes with the use of optional arguments for methods ?
>> 
>> I don't remember introducing any change at that level.
>
>After another bug report, it seems that a parsing bug went into camlp4
>just before the release :-(
>
>        Camlp4 Parsing version 3.07
>
># fun (f : ?x:int -> bool -> float) -> f true;;
>This expression has type bool but is here used with type ?x:int -> bool
># fun (f : ?x:int -> bool -> float) -> f;;
>- : ((?x:int -> bool) -> float) -> (?x:int -> bool) -> float = <fun>
>
>This is apparently a priority problem.
>A workaround is to explicitly add parentheses.
>
># fun (f : ?x:int -> (bool -> float)) -> f true;;
>- : (?x:int -> bool -> float) -> float = <fun>
>
>There is no fix for camlp4 itself yet.
>
>      Jacques Garrigue
>

Hi,

Is there a patch planned soon to solve this issue?

Best regards

-- 
Arturo Borquez


__________________________________________________________________
McAfee VirusScan Online from the Netscape Network.
Comprehensive protection for your entire computer. Get your free trial today!
http://channels.netscape.com/ns/computing/mcafee/index.jsp?promo=393397

Get AOL Instant Messenger 5.1 free of charge.  Download Now!
http://aim.aol.com/aimnew/Aim/register.adp?promo=380455

-------------------
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