VERSION

version 7.900057

SYNOPSIS

use Validation::Class::Listing;
my $foos = Validation::Class::Listing->new;
$foos->add('foo');
$foos->add('bar', 'baz');
print $foos->count; # 3 objects

DESCRIPTION

Validation::Class::Listing is a container class that provides general-purpose functionality for arrayref objects.

METHODS

new

    my $self = Validation::Class::Listing->new;

add

    $self = $self->add('foo', 'bar');

clear

    $self = $self->clear;

count

    my $count = $self->count;

delete

    $value = $self->delete($index);

defined

    $true if $self->defined($name) # defined

each

    $self = $self->each(sub{
        my ($index, $value) = @_;
    });

first

    my $value = $self->first;

get

    my $value = $self->get($index); # i.e. $self->[$index]

grep

    $new_list = $self->grep(qr/update_/);

has

    $true if $self->has($name) # defined

iterator

    my $next = $self->iterator();
    # defaults to iterating by keys but accepts sort, rsort, nsort, or rnsort
    # e.g. $self->iterator('sort', sub{ (shift) cmp (shift) });
    while (my $item = $next->()) {
        # do something with $item
    }

join

    my $string = $self->join($delimiter);

last

    my $value = $self->last;

list

    my @list = $self->list;

nsort

    my @list = $self->nsort;

pairs

    my @pairs = $self->pairs;
    # or filter using $self->pairs('grep', $regexp);
    foreach my $pair (@pairs) {
        # $pair->{index} is $pair->{value};
    }

rnsort

    my @list = $self->rnsort;

rsort

    my @list = $self->rsort;

sort

    my @list = $self->sort(sub{...});

unique

    my @list = $self->unique();

AUTHOR

Al Newkirk <[email protected]>

COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Al Newkirk.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.