
package Moose::Autobox::List;
use Moose::Role 'with', 'requires';
use Moose::Autobox;

our $VERSION = '0.15';

with 'Moose::Autobox::Value';

requires 'head';
requires 'tail';
requires 'length'; 
requires 'join'; 
requires 'grep'; 
requires 'map'; 
requires 'sort';
requires 'reverse';

sub reduce {
    my ($array, $func) = @_;
    my $a = $array->values;
    my $acc = $a->head;
    $a->tail->map(sub { $acc = $func->($acc, $_) });
    return $acc;
}

sub zip {
    my ($array, $other) = @_;
    ($array->length < $other->length 
        ? $other 
        : $array)
            ->keys
            ->map(sub {
                [ $array->at($_), $other->at($_) ]
            });
}

1;

__END__

=pod

=head1 NAME 

Moose::Autobox::List - the List role

=head1 DESCRIPTION

This is a role to describes a List interface. This is not 
meant to be any specific Perl type, but instead an interface
that certain Perl types might implement. Currenly only 
L<Moose::Autobox::Array> implements this.

=head1 METHODS

=over 4

=item B<reduce>

=item B<zip>

=back

=over 4

=item B<meta>

=back

=head1 REQUIRED METHODS

=over 4

=item B<head>

=item B<tail>

=item B<join>

=item B<length>

=item B<map>

=item B<grep>

=item B<reverse>

=item B<sort>

=back

=head1 BUGS

All complex software has bugs lurking in it, and this module is no 
exception. If you find a bug please either email me, or add the bug
to cpan-RT.

=head1 AUTHOR

Stevan Little E<lt>stevan@iinteractive.comE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright 2006-2008 by Infinity Interactive, Inc.

L<http://www.iinteractive.com>

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut
