From: Michal Moskal <malekith@pld-linux.org>
To: Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp>
Cc: c_bauer@informatik.uni-kl.de, caml-list@inria.fr
Subject: Re: [Caml-list] Type inference + optional parameters
Date: Wed, 3 Sep 2003 11:56:12 +0200 [thread overview]
Message-ID: <20030903095611.GA5564@roke.freak> (raw)
In-Reply-To: <20030903110813O.garrigue@kurims.kyoto-u.ac.jp>
On Wed, Sep 03, 2003 at 11:08:13AM +0900, Jacques Garrigue wrote:
> From: Christoph Bauer <c_bauer@informatik.uni-kl.de>
>
> > ocamls type inference uses information of optionl arguments. This
> > results in a strange behaviour.
>
> Brian Rogoff already answered this one. Do you seriously expect a
> type-safe compiler to simply ignore the type of the default value :-)
In principle you can imagine type system, where function have different
type depending on whether it has default argument supplied. For example:
do_with_conv : ~conv:('a -> 'b) -> 'a -> 'b [default conv: 'a -> 'a]
or something like this.
--
: 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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next prev parent reply other threads:[~2003-09-03 9:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-02 16:20 Christoph Bauer
2003-09-02 17:06 ` brogoff
2003-09-03 2:08 ` Jacques Garrigue
2003-09-03 8:08 ` Alain.Frisch
2003-09-06 0:53 ` Jacques Garrigue
2003-09-03 9:56 ` Michal Moskal [this message]
[not found] <m3fzjf825m.fsf@diebuntekuh.de>
2003-09-02 19:01 ` brogoff
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