package Ex3;
# Version.
our $VERSION = 0.01;
1;
=pod
=head1 EXAMPLE
# Pragmas.
use strict;
use warnings;
# Modules.
use Carp qw(croak);
# Error.
croak 'Error.';
=cut
package Ex3;
# Version.
our $VERSION = 0.01;
1;
=pod
=head1 EXAMPLE
# Pragmas.
use strict;
use warnings;
# Modules.
use Carp qw(croak);
# Error.
croak 'Error.';
=cut