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.\"
.IX Title "metaclass 3pm"
.TH metaclass 3pm 2024-01-21 "perl v5.38.2" "User Contributed Perl Documentation"
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.SH NAME
metaclass \- a pragma for installing and using Class::MOP metaclasses
.SH VERSION
.IX Header "VERSION"
version 2.2207
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\&  package MyClass;
\&
\&  # use Class::MOP::Class
\&  use metaclass;
\&
\&  # ... or use a custom metaclass
\&  use metaclass \*(AqMyMetaClass\*(Aq;
\&
\&  # ... or use a custom metaclass
\&  # and custom attribute and method
\&  # metaclasses
\&  use metaclass \*(AqMyMetaClass\*(Aq => (
\&      \*(Aqattribute_metaclass\*(Aq => \*(AqMyAttributeMetaClass\*(Aq,
\&      \*(Aqmethod_metaclass\*(Aq    => \*(AqMyMethodMetaClass\*(Aq,
\&  );
\&
\&  # ... or just specify custom attribute
\&  # and method classes, and Class::MOP::Class
\&  # is the assumed metaclass
\&  use metaclass (
\&      \*(Aqattribute_metaclass\*(Aq => \*(AqMyAttributeMetaClass\*(Aq,
\&      \*(Aqmethod_metaclass\*(Aq    => \*(AqMyMethodMetaClass\*(Aq,
\&  );
\&
\&  # if we\*(Aqd rather not install a \*(Aqmeta\*(Aq method, we can do this
\&  use metaclass meta_name => undef;
\&  # or if we\*(Aqd like it to have a different name,
\&  use metaclass meta_name => \*(Aqmy_meta\*(Aq;
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This is a pragma to make it easier to use a specific metaclass
and a set of custom attribute and method metaclasses. It also
installs a \f(CW\*(C`meta\*(C'\fR method to your class as well, unless \f(CW\*(C`undef\*(C'\fR
is passed to the \f(CW\*(C`meta_name\*(C'\fR option.
.PP
Note that if you are using Moose, you most likely do \fBnot\fR want
to be using this \- look into Moose::Util::MetaRole instead.
.SH AUTHORS
.IX Header "AUTHORS"
.IP \(bu 4
Stevan Little <stevan@cpan.org>
.IP \(bu 4
Dave Rolsky <autarch@urth.org>
.IP \(bu 4
Jesse Luehrs <doy@cpan.org>
.IP \(bu 4
Shawn M Moore <sartak@cpan.org>
.IP \(bu 4
יובל קוג'מן (Yuval Kogman) <nothingmuch@woobling.org>
.IP \(bu 4
Karen Etheridge <ether@cpan.org>
.IP \(bu 4
Florian Ragwitz <rafl@debian.org>
.IP \(bu 4
Hans Dieter Pearcey <hdp@cpan.org>
.IP \(bu 4
Chris Prather <chris@prather.org>
.IP \(bu 4
Matt S Trout <mstrout@cpan.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is copyright (c) 2006 by Infinity Interactive, Inc.
.PP
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.