[gitmo/Moose-Autobox.git] / lib / Moose / Autobox / List.pm


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

our $VERSION = '0.01';

with 'Moose::Autobox::Value';

requires qw/
    head 
    tail
    length 
    join     
    grep 
    map 
    sort
    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 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
Commit	Line	Data
e6bb88b0	1
	2	package Moose::Autobox::List;
	3	use Moose::Role 'with', 'requires';
6cf5bcf2	4	use autobox;
e6bb88b0	5
	6	our $VERSION = '0.01';
	7
31d40d73	8	with 'Moose::Autobox::Value';
e6bb88b0	9
5dc78481	10	requires qw/
31d40d73	11	head
6cf5bcf2	12	tail
5dc78481	13	length
5dc78481	14	join
31d40d73	15	grep
	16	map
	17	sort
5dc78481	18	reverse
5dc78481	19	/;
5dc78481	20
6cf5bcf2	21	sub reduce {
	22	my ($array, $func) = @_;
	23	my $a = $array->values;
	24	my $acc = $a->head;
	25	$a->tail->map(sub { $acc = $func->($acc, $_) });
	26	return $acc;
	27	}
	28
	29	sub zip {
	30	my ($array, $other) = @_;
	31	($array->length < $other->length
	32	? $other
	33	: $array)
	34	->keys
	35	->map(sub {
31d40d73	36	[ $array->at($_), $other->at($_) ]
6cf5bcf2	37	});
6cf5bcf2	38	}
e6bb88b0	39
31d40d73	40	1;
	41
	42	__END__
	43
	44	=pod
	45
	46	=head1 NAME
	47
	48	Moose::Autobox::List - the List role
	49
31d40d73	50	=head1 DESCRIPTION
31d40d73	51
8937074a	52	This is a role to describes a List interface. This is not
	53	meant to be any specific Perl type, but instead an interface
	54	that certain Perl types might implement. Currenly only
	55	L<Moose::Autobox::Array> implements this.
	56
260cc81f	57	=head1 METHODS
	58
	59	=over 4
	60
260cc81f	61	=item B<reduce>
	62
	63	=item B<zip>
	64
	65	=back
	66
5272f13f	67	=over 4
	68
	69	=item B<meta>
	70
	71	=back
	72
260cc81f	73	=head1 REQUIRED METHODS
	74
	75	=over 4
	76
	77	=item B<head>
	78
	79	=item B<tail>
	80
	81	=item B<join>
	82
	83	=item B<length>
	84
	85	=item B<map>
	86
	87	=item B<grep>
	88
	89	=item B<reverse>
	90
	91	=item B<sort>
	92
	93	=back
	94
31d40d73	95	=head1 BUGS
	96
	97	All complex software has bugs lurking in it, and this module is no
	98	exception. If you find a bug please either email me, or add the bug
	99	to cpan-RT.
	100
	101	=head1 AUTHOR
	102
	103	Stevan Little E<lt>stevan@iinteractive.comE<gt>
	104
	105	=head1 COPYRIGHT AND LICENSE
	106
	107	Copyright 2006 by Infinity Interactive, Inc.
	108
	109	L<http://www.iinteractive.com>
	110
	111	This library is free software; you can redistribute it and/or modify
	112	it under the same terms as Perl itself.
	113
	114	=cut