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Postings from August 2003
On Tue, Aug 19, 2003 at 05:29:09PM +0100, Arthur Bergman wrote:
>
> On Monday, August 18, 2003, at 07:12 pm, Dave Mitchell wrote:
>
> >
> >Assuming that we wish to keep the optimisation of sharing non-closure
> >anon
> >CVs, then the problem is that by the time you try to bless the coderef,
> >its already pointing to the shared CV, and you're buggered. By then,
> >you
> >don't really have the option of unsharing it. At least I can't think of
> >a clean way.
> >
> >
>
> COW?
AFAIKT, any COW scheme would break the following:
my $sub = sub { print "hello" };
my $sub2 = $sub; # $sub and $sub1 point to the same CV
bless $sub, 'Foo'; # $sub now points to a copy via COW
print "not ok\n" unless $sub == $sub2;
--
The optimist believes that he lives in the best of all possible worlds.
As does the pessimist.
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