On Thu, 2002-03-21 at 12:52, Allison Randal wrote:
> On Wed, Mar 20, 2002 at 09:59:35AM -0800, Larry Wall wrote:
> >
> > I should update y'all to my current thinking, which is that $_ is
> > always identical to the current topic, even if the topic is aliased to
> > some other variable. To get at an outer topic, you'd have to use the
> > same mechanism we'll use for redeclared lexicals:
> >
> > my $foo = $OUTER::foo;
> >
> > for @x { # aliases $_
> > for @y -> $y { # aliases both $x and $_
> > print $OUTER::_;
> > }
> > }
>
> I rather like this compromise. It provides the desired behaviour of
> "always default to the current topic" and so eliminates the confusion
> between C<when> and other defaulting constructs. It also maintains the
> "$_ is default" concept, which is quite important to people, as earlier
> bits of this thread demonstrated.
Ok, so am I to take it that you could say:
FOO: for @x {
BAR: for @y {
print $FOO::_;
}
}
Or is OUTER a special-case label?
Personally, I've always prefered this syntax:
for @x {----\
for @y { |
print;<-/
}
}
Which is visually appealing and raises coding style arguments to a whole
new level.
Now on to my reasoning for adding emoticons to Perl.... $;-)
