From: Michal Moskal <malekith@pld-linux.org>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Semantics of physical equality
Date: Fri, 27 Feb 2004 23:59:31 +0100 [thread overview]
Message-ID: <20040227225931.GA9161@roke.freak> (raw)
In-Reply-To: <20040227213229.GA2962@ours.starynkevitch.net>
On Fri, Feb 27, 2004 at 10:32:29PM +0100, Basile STARYNKEVITCH wrote:
> On Fri, Feb 27, 2004 at 02:29:50PM -0600, Kevin S. Millikin wrote:
> > I'm trying to figure out what I can rely on about physical equality.
> > I've checked the OCaml manual but can't seem to find what I want to
> > know.
> >
> > Presume
> >
> > # type t = V0 | V1 of int;;
> > type t = V0 | V1 of int
> >
> > # V0 == V0;;
> > - : bool = true
> >
> > V0's are the same. Is this guaranteed?
>
> Yes.
Is it?
"On non-mutable structures, the behavior of (==) is
implementation-dependent;" [1]
[1] http://caml.inria.fr/ocaml/htmlman/libref/Pervasives.html
--
: Michal Moskal :: http://www.kernel.pl/~malekith :: GCS !tv h e>+++ b++
: When in doubt, use brute force. -- Ken Thompson :: UL++++$ C++ E--- a?
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next prev parent reply other threads:[~2004-02-27 23:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-27 20:29 Kevin S. Millikin
2004-02-27 21:32 ` Basile STARYNKEVITCH
2004-02-27 22:59 ` Michal Moskal [this message]
2004-02-28 9:40 ` sejourne kevin
2004-02-28 9:55 ` Andreas Rossberg
2004-02-28 10:07 ` Michal Moskal
2004-02-28 9:56 ` Michal Moskal
2004-02-28 10:21 ` Andreas Rossberg
2004-02-28 10:34 ` Michal Moskal
2004-02-28 10:45 ` Andreas Rossberg
2004-02-28 11:25 ` Michal Moskal
2004-02-27 23:16 Kevin S. Millikin
2004-02-27 23:48 ` Michal Moskal
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