From: Michal Moskal <malekith@pld-linux.org>
To: Hal Daume III <hdaume@ISI.EDU>
Cc: Tahir H Butt <tahir@acm.jhu.edu>, caml-list@inria.fr
Subject: Re: [Caml-list] comparing references
Date: Mon, 11 Aug 2003 22:02:55 +0200 [thread overview]
Message-ID: <20030811200255.GA12623@roke.freak> (raw)
In-Reply-To: <Pine.GSO.4.21.0308111257250.8677-100000@moussor.isi.edu>
On Mon, Aug 11, 2003 at 12:57:46PM -0700, Hal Daume III wrote:
> > > I ask because my sum
> > > types can be big (I'm dealing with trees), so it would be good if when I
> > > want to check if two trees are the same, all I need to do is look at the
> > > references to them.
> >
> > Use == if you want to compare addresses.
>
> How much do you need to worry about, ex., the GC moving stuff around and
> messing this up?
You don't need to worry at all. GC moves all references to given object
at once. So comparison results are always the same.
--
: 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
-------------------
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
prev parent reply other threads:[~2003-08-11 20:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-11 18:54 Tahir H Butt
2003-08-11 19:25 ` Michal Moskal
2003-08-11 19:57 ` Hal Daume III
2003-08-11 20:02 ` Michal Moskal [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030811200255.GA12623@roke.freak \
--to=malekith@pld-linux.org \
--cc=caml-list@inria.fr \
--cc=hdaume@ISI.EDU \
--cc=tahir@acm.jhu.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).