NAME MouseX::AttributeHelpers - Extend your attribute interfaces SYNOPSIS package MyClass; use Mouse; use MouseX::AttributeHelpers; has 'mapping' => ( metaclass => 'Collection::Hash', is => 'rw', isa => 'HashRef', default => sub { +{} }, provides => { exists => 'exists_in_mapping', keys => 'ids_in_mapping', get => 'get_mapping', set => 'set_mapping', }, ); package main; my $obj = MyClass->new; $obj->set_quantity(10); # quantity => 10 $obj->set_mapping(4, 'foo'); # 4 => 'foo' $obj->set_mapping(5, 'bar'); # 5 => 'bar' $obj->set_mapping(6, 'baz'); # 6 => 'baz' # prints 'bar' print $obj->get_mapping(5) if $obj->exists_in_mapping(5); # prints '4, 5, 6' print join ', ', $obj->ids_in_mapping; DESCRIPTION MouseX::AttributeHelpers provides commonly used attribute helper methods for more specific types of data. As seen in the "SYNOPSIS", you specify the extension via the "metaclass" parameter. PARAMETERS provides This points to a hashref that uses "provider" for the keys and "method" for the values. The method will be added to the object itself and do what you want. curries This points to a hashref that uses "provider" for the keys and has two choices for the value: You can supply "{ method => \@args }" for the values. The method will be added to the object itself (always using @args as the beginning arguments). Another approach to curry a method provider is to supply a coderef instead of an arrayref. The code ref takes $self, $body, and any additional arguments passed to the final method. METHOD PROVIDERS Counter Methods for incrementing and decrementing a counter attribute. Number Common numerical operations. String Common methods for string values. Bool Common methods for boolean values. Collection::List Common list methods for array references. Collection::Array Common methods for array references. Collection::ImmutableHash Common methods for hash references. Collection::Hash Common additional methods for hash references. Collection::Bag Methods for incrementing and decrementing a value of collection. AUTHOR NAKAGAWA Masaki THANKS TO "AUTHOR" in MooseX::AttributeHelpers LICENSE This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO Mouse MouseX::AttributeHelpers::Counter, MouseX::AttributeHelpers::Number, MouseX::AttributeHelpers::String, MouseX::AttributeHelpers::Bool, MouseX::AttributeHelpers::Collection::List, MouseX::AttributeHelpers::Collection::Array, MouseX::AttributeHelpers::Collection::ImmutableHash, MouseX::AttributeHelpers::Collection::Hash, MouseX::AttributeHelpers::Collection::Bag MooseX::AttributeHelpers