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Postings from August 2003
On Mon, Aug 18, 2003 at 05:50:16PM -0400, Chip Salzenberg wrote:
> According to Simon Cozens:
> > Yitzchak Scott-Thoennes:
> > > > > my $y;
> > > > > { my $x = bless sub { $y }, 'X'; }
> > > > > sub X::DESTROY { print "DESTROYED\n" }
> >
> > My initial reaction is that calling a destructor on a sub that happens
> > to be a closure and not on one that doesn't is not just an unexpected
> > special case, but it's surely a bug. Why (and I ask this honestly, not
> > rhetorically) is it supposed to be so hard to fix?
>
> Because every value of
>
> $a = sub { print "hi" }
>
> is the same CV. Printing $a will confirm this. The original owner of
Oh yes. Mmm. Arguably action at a distance:
$ perl -le 'sub foo { return sub {}}; $a = foo; $b = foo; print ref $b; bless $a; print ref $b'
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Nicholas Clark
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