MooseX::NonMoose(3) User Contributed Perl Documentation MooseX::NonMoose(3)NAME
MooseX::NonMoose - easy subclassing of non-Moose classes
VERSION
version 0.22
SYNOPSIS
package Term::VT102::NBased;
use Moose;
use MooseX::NonMoose;
extends 'Term::VT102';
has [qw/x_base y_base/] => (
is => 'ro',
isa => 'Int',
default => 1,
);
around x => sub {
my $orig = shift;
my $self = shift;
$self->$orig(@_) + $self->x_base - 1;
};
# ... (wrap other methods)
no Moose;
# no need to fiddle with inline_constructor here
__PACKAGE__->meta->make_immutable;
my $vt = Term::VT102::NBased->new(x_base => 0, y_base => 0);
DESCRIPTION
"MooseX::NonMoose" allows for easily subclassing non-Moose classes with
Moose, taking care of the annoying details connected with doing this,
such as setting up proper inheritance from Moose::Object and installing
(and inlining, at "make_immutable" time) a constructor that makes sure
things like "BUILD" methods are called. It tries to be as non-intrusive
as possible - when this module is used, inheriting from non-Moose
classes and inheriting from Moose classes should work identically,
aside from the few caveats mentioned below. One of the goals of this
module is that including it in a Moose::Exporter-based package used
across an entire application should be possible, without interfering
with classes that only inherit from Moose modules, or even classes that
don't inherit from anything at all.
There are several ways to use this module. The most straightforward is
to just "use MooseX::NonMoose;" in your class; this should set up
everything necessary for extending non-Moose modules.
MooseX::NonMoose::Meta::Role::Class and
MooseX::NonMoose::Meta::Role::Constructor can also be applied to your
metaclasses manually, either by passing a "-traits" option to your "use
Moose;" line, or by applying them using Moose::Util::MetaRole in a
Moose::Exporter-based package. MooseX::NonMoose::Meta::Role::Class is
the part that provides the main functionality of this module; if you
don't care about inlining, this is all you need to worry about.
Applying MooseX::NonMoose::Meta::Role::Constructor as well will provide
an inlined constructor when you immutabilize your class.
"MooseX::NonMoose" allows you to manipulate the argument list that gets
passed to the superclass constructor by defining a "FOREIGNBUILDARGS"
method. This is called with the same argument list as the "BUILDARGS"
method, but should return a list of arguments to pass to the superclass
constructor. This allows "MooseX::NonMoose" to support superclasses
whose constructors would get confused by the extra arguments that Moose
requires (for attributes, etc.)
Not all non-Moose classes use "new" as the name of their constructor.
This module allows you to extend these classes by explicitly stating
which method is the constructor, during the call to "extends". The
syntax looks like this:
extends 'Foo' => { -constructor_name => 'create' };
similar to how you can already pass "-version" in the "extends" call in
a similar way.
BUGS/CAVEATS
· The reference that the non-Moose class uses as its instance type
must match the instance type that Moose is using. Moose's default
instance type is a hashref, but other modules exist to make Moose
use other instance types. MooseX::InsideOut is the most general
solution - it should work with any class. For globref-based classes
in particular, MooseX::GlobRef will also allow Moose to work. For
more information, see the "032-moosex-insideout" and
"033-moosex-globref" tests bundled with this dist.
· Completely overriding the constructor in a class using
"MooseX::NonMoose" (i.e. using "sub new { ... }") currently doesn't
work, although using method modifiers on the constructor should
work identically to normal Moose classes.
Please report any bugs through RT: email "bug-moosex-nonmoose at
rt.cpan.org", or browse to
http://rt.cpan.org/NoAuth/ReportBug.html?Queue=MooseX-NonMoose
<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=MooseX-NonMoose>.
SEE ALSO
· "How do I make non-Moose constructors work with Moose?" in
Moose::Manual::FAQ
· MooseX::Alien
serves the same purpose, but with a radically different (and far
more hackish) implementation.
SUPPORT
You can find this documentation for this module with the perldoc
command.
perldoc MooseX::NonMoose
You can also look for information at:
· AnnoCPAN: Annotated CPAN documentation
http://annocpan.org/dist/MooseX-NonMoose
<http://annocpan.org/dist/MooseX-NonMoose>
· CPAN Ratings
http://cpanratings.perl.org/d/MooseX-NonMoose
<http://cpanratings.perl.org/d/MooseX-NonMoose>
· RT: CPAN's request tracker
http://rt.cpan.org/NoAuth/Bugs.html?Dist=MooseX-NonMoose
<http://rt.cpan.org/NoAuth/Bugs.html?Dist=MooseX-NonMoose>
· Search CPAN
http://search.cpan.org/dist/MooseX-NonMoose
<http://search.cpan.org/dist/MooseX-NonMoose>
AUTHOR
Jesse Luehrs <doy at tozt dot net>
COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Jesse Luehrs.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
perl v5.12.5 2011-05-09 MooseX::NonMoose(3)
