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From: Michal Moskal <malekith@pld-linux.org>
To: Richard Jones <rich@annexia.org>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] OCaml wishlist
Date: Tue, 21 Oct 2003 16:55:31 +0200	[thread overview]
Message-ID: <20031021145531.GA14086@roke.freak> (raw)
In-Reply-To: <20031021142921.GA6736@redhat.com>

On Tue, Oct 21, 2003 at 03:29:21PM +0100, Richard Jones wrote:
> After writing a fair bit of OCaml in commercial situations (although
> I'm by no means an expert, and really should learn camlp4), here's my
> wishlist:
> 
> 1. 'return' from a function. eg:
> 
>   let foo x =
>     if x < 0 then return "OSL";
>     (* long & complex code *)
>     return "some other string"
> 
>   I know I can do this using if ... else, but when you have multiple
>   levels of if ... else you end up being indented so far across the
>   screen as to make coding unpleasant. 

You can try guarded patterns. I have to admit that OCaml makes
imperative programming somewhat harder then it strictly have to. This is
however religious issue.

> 2. abstract data type syntactic sugar:
>    obj#call		      [	or:   obj->call ]
> 
>    is exactly equivalent to:
> 
>    M.call obj

let f a b c = a->add b c

What type does f have? 

-- 
: Michal Moskal :: http://www.kernel.pl/~malekith : GCS {C,UL}++++$ a? !tv
: When in doubt, use brute force. -- Ken Thompson : {E-,w}-- {b++,e}>+++ h

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  reply	other threads:[~2003-10-21 15:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-21 14:29 Richard Jones
2003-10-21 14:55 ` Michal Moskal [this message]
2003-10-21 16:02   ` Richard Jones
2003-10-21 17:28   ` William Lovas
2003-10-21 17:50     ` Richard Jones
2003-10-21 20:27       ` Yaron Minsky
2003-10-21 20:32       ` Yaron Minsky
2003-10-21 21:46         ` Alain.Frisch
2003-10-22  0:59       ` Jacques Garrigue
2003-10-22  2:52         ` Brian Hurt
2003-10-22 15:27           ` Michal Moskal
2003-10-21 19:46     ` Alain.Frisch
2003-10-21 15:26 ` Alain.Frisch
2003-10-21 17:38 ` David Brown
2003-10-21 22:34 Richard Jones
2003-10-22  1:14 ` Jacques Garrigue
2003-10-22 13:21   ` brogoff
2003-10-23  0:31   ` Eray Ozkural
2003-10-23 16:55   ` skaller

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