# this code is in Foo/Bar.pm
package Foo::Bar;
use parent qw/Exporter/;
our @EXPORT = qw/baz/;
sub baz { "Hello world"; }
1;

##</code><code>##

use 5.010;
use strict;
use foo::bar;
say Foo::Bar::baz(); # says "Hello world"

##</code><code>##

use 5.010;
use strict;
use Foo::Bar;
say baz(); # says "Hello world"

##</code><code>##

use 5.010;
use strict;
use foo::bar;
say baz(); # dies - undefined subroutine main::baz

##</code><code>##

use 5.010;
use strict;
use foo::bar;
say foo::bar::baz(); # dies - undefined subroutine again