Moose::Autobox::List - the List role

Moose-Autobox documentation Contained in the Moose-Autobox distribution.

Index

Code Index:

NAME

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Moose::Autobox::List - the List role

DESCRIPTION

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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 Moose::Autobox::Array implements this.

METHODS

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reduce
zip
meta

REQUIRED METHODS

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head
tail
join
length
map
grep
reverse
sort

BUGS

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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.

AUTHOR

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Stevan Little <stevan@iinteractive.com>

COPYRIGHT AND LICENSE

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Copyright 2006-2008 by Infinity Interactive, Inc.

http://www.iinteractive.com

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

Moose-Autobox documentation Contained in the Moose-Autobox distribution. 
package Moose::Autobox::List;
use Moose::Role 'with', 'requires';
use Moose::Autobox;

our $VERSION = '0.11';

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__