#NAME

MooseX::Traits::Pluggable - trait loading and resolution for Moose

#DESCRIPTION

See MooseX::Traits for usage information.

Use new_with_traits to construct an object with a list of traits and apply_traits to apply traits to an instance.

Adds support for class precedence search for traits and some extra attributes, described below.

#TRAIT SEARCH

If the value of "_trait_namespace" in MooseX::Traits starts with a + the namespace will be considered relative to the class_precedence_list (ie. @ISA) of the original class.

Example:

package Class1
use Moose;

package Class1::Trait::Foo;
use Moose::Role;
has 'bar' => (
    is       => 'ro',
    isa      => 'Str',
    required => 1,
);

package Class2;
use parent 'Class1';
with 'MooseX::Traits';
has '+_trait_namespace' => (default => '+Trait');
has '+_traits_behave_like_roles' => (default => 1);

package Class2::Trait::Bar;
use Moose::Role;
has 'baz' => (
    is       => 'ro',
    isa      => 'Str',
    required => 1,
);

package main;
my $instance = Class2->new_with_traits(
    traits => ['Foo', 'Bar'],
    bar => 'baz',
    baz => 'quux',
);

$instance->does('Class1::Trait::Foo'); # true
$instance->does('Class2::Trait::Bar'); # true

#NAMESPACE ARRAYS

You can search multiple namespaces for traits, for example:

has '+_trait_namespace' => (
    default => sub { [qw/+Trait +Role ExtraNS::Trait/] }
);

Will search in the class_precedence_list for ::Trait::TheTrait and ::Role::TheTrait and then for ExtraNS::Trait::TheTrait.

#CORRECT ROLE BEHAVIOR

By default, a method from a role will override a class method, this however is not the behavior one expects when applying a Moose role using the normal methods.

If you want the behavior to be consistent with Moose roles, then use this configuration attribute in your class:

has '+_traits_behave_like_roles' => (default => 1);

This may or may not become the default in the future, for now you have to ask for it for backward compatibility reasons.

#EXTRA ATTRIBUTES

#_original_class_name

When traits are applied to your class or instance, you get an anonymous class back whose name will be not the same as your original class. So ref $self will not be Class, but $self->_original_class_name will be.

#_traits

List of the (unresolved) traits applied to the instance.

#_resolved_traits

List of traits applied to the instance resolved to full package names.

#BUGS

Please report any bugs or feature requests to bug-moosex-traits-pluggable at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=MooseX-Traits-Pluggable. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

#AUTHOR

Rafael Kitover <rkitover@cpan.org>

#CONTRIBUTORS

Tomas Doran, <bobtfish@bobtfish.net> Fitz Elliott, <fitz.elliott@gmail.com> Andreas Marienborg, <andreas.marienborg@gmail.com> Alexander Hartmaier, <abraxxa@cpan.org>

#COPYRIGHT & LICENSE

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

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