in reply to Re: closures: anonymous subs vs function templates?
in thread closures: anonymous subs vs function templates?

From 5.12 and onwards, specifying the version of Perl you wish to use will automatically turn on strictures for you.

use v5.12; # includes use strict;
http://search.cpan.org/dist/perl-5.21.1/pod/perl5120delta.pod#Implicit_strictures