Front page | perl.perl6.language |
Postings from November 2003
Austin Hastings writes:
>
>
> > -----Original Message-----
> > From: Michael Lazzaro [mailto:mlazzaro@cognitivity.com]
> > Sent: Tuesday, November 18, 2003 2:06 PM
> > To: perl6-language@perl.org
> > Subject: Re: Control flow variables
> >
> >
> >
> > On Tuesday, November 18, 2003, at 06:38 AM, Simon Cozens wrote:
> > > Given that we've introduced the concept of "if" having a return status:
> > >
> > > my $result = if ($a) { $a } else { $b };
> > >
> >
> > Would that then imply that
> >
> > sub blah {
> > ... # 1
> > return if $a; # 2
> > ... # 3
> > }
> >
> > ...would return $a if $a was true, and fall through to (3) if it was
> > false?
> >
>
> It sure should, provided there were a correct context waiting, which would
> quite nicely address another WIBNI thread a couple of months back about a
> quick return under those conditions.
Oh, and if you really want to do that return thing without using a
C<given>, you can just:
sub blah {
return $a || goto CONT;
CONT:
...
}
I don't see what's wrong with that. :-p
Luke
Thread Previous
|
Thread Next