package Enigmatic::Role::Rotate;
use DAKKAR::p 'role';

sub _rotate_by {
    my ($letter,$position) = @_;

    return chr(ord('A')+
               (ord($letter)-ord('A')+26+$position)%26);
}

__END__

=head1 AUTHOR

Gianni Ceccarelli <dakkar@thenautilus.net>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Gianni Ceccarelli.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, version 3.

=cut