On Mon, Aug 27, 2001 at 06:02:50PM -0500, Garrett Goebel wrote:
> From: Ken Fox [mailto:[EMAIL PROTECTED]]
> > Michael G Schwern wrote:
> > > Any time you want to implicitly pass @_, you can just as easily
> > > *explicitly* pass it or use goto.
>
> goto does screw up caller... so I wouldn't say *anytime*
That's what 'or' means.
> sub foo { &{ $_[0]->{_foo} || $_[0]->can(_foo) } }
>
> works just as well as
>
> sub foo { goto &{ $_[0]->{_foo} || $_[0]->can(_foo) } }
>
> and doesn't mess up code which relies on caller...
A good redirector should be totally transparent. When _foo() asks for
it's caller() it should get foo()'s caller, not foo() itself.
So in this case, goto does the right thing.
--
Michael G. Schwern <[EMAIL PROTECTED]> http://www.pobox.com/~schwern/
Perl6 Quality Assurance <[EMAIL PROTECTED]> Kwalitee Is Job One
You see, in this world there's two kinds of people. Those with loaded
guns, and those who dig. Dig.
-- Blonde, "The Good, The Bad And The Ugly"
