Version française
Home     About     Download     Resources     Contact us    
Browse thread
[Caml-list] comparing references
[ Home ] [ Index: by date | by threads ]
[ Search: ]

[ Message by date: previous | next ] [ Message in thread: previous | next ] [ Thread: previous | next ]
Date: -- (:)
From: Michal Moskal <malekith@p...>
Subject: Re: [Caml-list] comparing references
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