On Thu, Jul 11, 2002 at 02:29:08PM -0400, Dan Sugalski wrote:
> At 7:18 PM +0100 7/11/02, Dave Mitchell wrote:
> >On Thu, Jul 11, 2002 at 10:41:20AM -0400, Dan Sugalski wrote:
> >> The place where you'll run into problems in where you have multiple
> >> variables of the same name at the same level, which you can do in
> >> perl 5.
> >
> >can it?
>
> Yes.
>
> >can you give an example?
>
> [localhost:~] dan% perl
> my $foo = 12;
> print $foo;
> my $foo = "ho";
> print $foo;
> 12ho[localhost:~] dan%
Of course it's a -w warning now:
"my" variable $foo masks earlier declaration in same scope at - line 3.
and I can imagine it becoming a mandatory warning in later versions
of perl5 (and/or perhaps in future they'll be a way to enable
warnings relevant to migration to perl6).
Tim.
