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| MouseX::AttributeHelpers(3) | User Contributed Perl Documentation | MouseX::AttributeHelpers(3) |
NAME
MouseX::AttributeHelpers - Extend your attribute interfacesSYNOPSIS
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 <masaki@cpan.org>THANKS TO
"AUTHOR" in MooseX::AttributeHelpersLICENSE
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.SEE ALSO
MouseMouseX::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
| 2012-05-03 | perl v5.32.1 |
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