# cat x.pl ; perl-5.16.2 x.pl
use strict; use warnings FATAL => 'all';
use 5.010;
P::show();
Q::show();
R::show();
{{
package P;
my $v = __PACKAGE__;
BEGIN { $v .= ' ' . __LINE__; }
sub show { say $v; }
}}
{{
package Q;
our $v = __PACKAGE__;
BEGIN { $v .= ' ' . __LINE__; }
sub show { say $v; }
}}
{{
package R;
BEGIN { our $v = __PACKAGE__ . ' ' . __LINE__; }
our $v;
sub show { say $v; }
}}
__END__
13
21
R 28
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