#! /usr/bin/perl

package Local::Prime;

use strict;
use warnings;

BEGINN {
        use Exporter ();
        our ( $VERSION, @ISA, @EXPORT, @EXPORT_OK );
        $VERSION = 1.00;
        @ISA = qw( Exporter );
        @EXPORT = qw( &is_prime );
        @EXPORT_OK = qw( &prime_numbers );
}

our @EXPORT_OK;


sub is_prime {
        ...
}

sub prime_numbers {
        ...
}

1;