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Postings from May 2006
On Mon, May 01, 2006 at 08:21:24PM +0300, Yuval Kogman wrote:
> > bless currently just updates the pointed-top CV.
>
> Hence copy on right
If bless just does a copy-on-write, then this breaks:
$ perl588 -we '$a = sub {}; $b = $a; bless $a; print "not ok\n" if $a != $b'
> This is what i propose:
>
> compiling of a sub will create a sub prototype, with no exposed
> perl space value
>
> CVs become a small node, with typical SVish things, like a
> blessed class, ref count, etc, and for closures they can also
> refer to captured variables, I guess
but that's roughly what a CV is anyway: it's an SV that contains pointers
to an op tree and a scratchpad.
--
You're only as old as you look
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