memory leaks in perl

[Rick Delaney]

On Sat, May 01, 2004 at 08:39:16AM -0400, Stewart C. Russell wrote:
> 
> >    undef $hash{$key}
> 
> That wouldn't work. That's the same as saying $hash{key} = undef -- it's 

That's not true.  undef($scalar) frees the memory used by $scalar.
$scalar = undef will leave $scalar using lots of memory if it was
previously using lots of memory.

> setting the value to undef, not freeing up the key.

Obviously it doesn't free the key, but it does free the value.  But I'm
pretty sure delete($hash{$key}) will free the value too.

-- 
Rick Delaney
rick-h4KjNK7Mzas at public.gmane.org
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