Validation::Class::Mapping - Generic Container Class for a Hash Reference
use Validation::Class::Mapping;
my $foos = Validation::Class::Mapping->new;
$foos->add(foo => 'one foo');
$foos->add(bar => 'one bar');
print $foos->count; # 2 objects
Validation::Class::Mapping is a container class that provides general-purpose
functionality for hashref objects.
my $self = Validation::Class::Mapping->new;
$self = $self->add(foo => 1, bar => 2);
my $count = $self->count;
$value = $self->delete($name);
$true if $self->defined($name) # defined
$self = $self->each(sub{
my ($key, $value) = @_;
});
$true if $self->exists($name) # exists
my $value = $self->get($name); # i.e. $self->{$name}
$new_list = $self->grep(qr/update_/);
$true if $self->has($name) # defined or exists
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 (value)
}
my @pairs = $self->pairs;
# or filter using $self->pairs('grep', $regexp);
foreach my $pair (@pairs) {
# $pair->{key} is $pair->{value};
}
my @keys = $self->rnsort;
my @keys = $self->sort(sub{...});
my @values = $self->values;
Al Newkirk <anewkirk@ana.io>
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.