On Tue, 23 Jan 2001, John Hughes wrote:
> > And indeed, they ought to die. Or be reimplemented. Or something,
> > but quite simply, don't use them. They'll break, they won't dwim,
> > and chances are they won't play nice with future/past versions of
> > Perl. Forget they even exist.
>
> Details?
>
> I'm using them with no problems in 5.005_03 (the real "last stable"
> version) with no problems.
>
> exists doesn't do what you think, that's the list of problems.
Neither does delete. And overloading doesn't really work properly. And
reloading modules with phashes doesn't work right. And sub-hashes doesn't
work right ($pseudo->{Hash}{SubHash}). And so on...
All they do is hide a multitude of sins, for very little real world
gain. Try it - convert your app back to non-pseudo hashes and see what
performance you lose. I'm willing to bet its not a lot.
The only gain might be in a large DOM tree where there may be thousands of
objects. But then you're really better off using an array based class
instead (as I found out).
--
<Matt/>
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