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From: Michal Moskal <malekith@pld-linux.org>
To: "caml-list@inria.fr" <caml-list@inria.fr>
Subject: Re: [Caml-list] Semantics of physical equality
Date: Sat, 28 Feb 2004 00:48:38 +0100	[thread overview]
Message-ID: <20040227234838.GA12573@roke.freak> (raw)
In-Reply-To: <01C3FD55.6370F320.kmillikin@atcorp.com>

On Fri, Feb 27, 2004 at 05:16:06PM -0600, Kevin S. Millikin wrote:
> In the current problem, it can save me a great
> deal of effort involved in generating temporary identifiers that are
> guaranteed to be unique, and in wrapping library data structures that I
> am unwilling to change in order merely to tag them.

type t = V of int ref

let t1 = V (ref 0)
let t2 = V (ref 0)

In this case you can assume t1 != t2. If it is not a sum type, but
record type, you can use record with at least one mutable field.

-- 
: 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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  reply	other threads:[~2004-02-28  1:00 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-27 23:16 Kevin S. Millikin
2004-02-27 23:48 ` Michal Moskal [this message]
2004-02-28  6:28   ` [Caml-list] " Jed Davis
  -- strict thread matches above, loose matches on Subject: below --
2004-02-27 20:29 [Caml-list] " Kevin S. Millikin
2004-02-27 21:32 ` Basile STARYNKEVITCH
2004-02-27 22:59   ` Michal Moskal
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

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