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

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