From: [EMAIL PROTECTED]
> ------------------------------------------------
> On Thu, 19 Dec 2002 11:04:27 -0500, [EMAIL PROTECTED]
> wrote:
> > But is it not wrong to create an array in a function and send a
> > reference to the array back into the main function?
> >
> > Because the scope of the array is limited to the function and
> > calling a reference that is not available(the variables local in
> > scope to the function are collapsed) must be illegal!!
> >
> > Regards,
> > Satya
>
> You have just learned what a closure is :-). At least that is my
> understanding of one.
No this is not a closure.
This is:
sub createClosure {
my $x = shift;
return sub { print $x++,"\n" }
}
$closure = createClosure( 5 );
$closure->();
$closure->();
Closure is a function that references a variable lexical to the scope
it was created in even though the scope is long gone.
Jenda
===== [EMAIL PROTECTED] === http://Jenda.Krynicky.cz =====
When it comes to wine, women and song, wizards are allowed
to get drunk and croon as much as they like.
-- Terry Pratchett in Sourcery
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