Re: [FWP] That was productive...

[John Porter <jdporter@min.net>]

Ronald J Kimball wrote:
> On Tue, Jan 18, 2000 at 12:35:25PM -0500, John Porter wrote:
> > * Jeff Pinyan (jeffp@crusoe.net) [000118 11:54]:
> > >
> > > Sometimes, I use something like:
> > >
> > >   for ($i = 0; local $_ = $array[$i], $i < @array; $i++) {
> > >     ...
> > >   }
> >
> > I'm not sure, but I think that may trigger the array
> > extension mechanism, since sometimes you're accessing
> > $array[ $#array + 1 ].
> 
> Taking a reference to an unallocated element of an array will extend the
> array.  
> 
> Simply using an unallocated element as an rvalue will not affect the
> contents of the array, however.
> 
> print scalar(@array), "\n";

Um, I'm talking about the internally allocated space for
the array, not the publicly reported size.
You know, the mechanism that allows arrays to be dynamically
sized in perl.

-- 
John Porter

"There are people who have fun studying the C++ spec for
literally seconds on end, I'm sure..."    John Vlissides


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