Re: [perl #118513] Changed behaviour in UNIVERSAL::can

On Mon, Jun 17, 2013 at 08:25:33AM -0700, Father Chrysostomos via RT wrote:
> On Mon Jun 17 06:38:19 2013, david@cantrell.org.uk wrote:
> > ...
> > As you can see, UNIVERSAL::can("Foo", "can") and Foo->can("can") only
> > return a sub-ref in 5.16.3 if the Foo package has already been seen.
> Not exactly.  It was not consistent:
> 
> $ perl -E'package Foo::Bar; say Foo->can("can")'
> CODE(0x1f4a220)

Eeuuww, that's nasty.

> > Also it appears to be undocumented, including in
> > perldelta.
> 
> It???s this entry:
> 
> =item *
> 
> C<< $class->can >>, C<< $class->isa >>, and C<< $class->DOES >> now return
> correct results, regardless of whether that package referred to by C<$class>
> exists [perl #47113].

Ah, OK, I was searching for the wrong keyword.

> I don???t think there is much we can do about it at this stage.

Fair enough.

-- 
David Cantrell | Official London Perl Mongers Bad Influence

Please stop rolling your Jargon Dice and explain the problem
you are having to me in plain English, using small words.
  -- John Hardin, in the Monastery

• [perl #118513] Changed behaviour in UNIVERSAL::can by David Cantrell
• Re: [perl #118513] Changed behaviour in UNIVERSAL::can by David Cantrell
• [perl #118513] Changed behaviour in UNIVERSAL::can by Father Chrysostomos via RT