Moose::Cookbook::Snack::Keywords - Restricted keywords in Moose
-=cut
-
=head1 DESCRIPTION
-There are several keywords exported in L<Moose> that cause clashes against
-any barewords such as attribute names, sub names, and globs.
-
+There are several keywords exported by L<Moose> that can cause clashes
+against other user-defined barewords. The following document provides
+a list of those keywords in a single place for easy reference.
=head2 The 'meta' keyword
While most of the reserved keywords collisions can be avoided, however
-I<meta> is the only one you B<cant> override. Do not attempt to override
-I<meta>.
+I<meta> is the only one you B<can not> override. Do not attempt to override
+I<meta>, it will break the Moose internals.
=head2 Moose Keywords
-If you are using Moose its best to avoid these keywords
+If you are using L<Moose> or L<Moose::Role> its best to avoid these
+keywords:
=over 4
=item augment
-=item make_immutable
-
=item confess
=item blessed
=head2 Moose::Util::TypeConstraints Keywords
-If you are using Moose::Util::TypeConstraints its best to avoid
+If you are using L<Moose::Util::TypeConstraints> its best to avoid
these keywords
=over 4
=back
=head2 Avoiding collisions
-
+
=head3 Turning off Moose
-To remove the keywords Moose exports using no Moose at the bottom of your code
+To remove the keywords L<Moose> exports just add C<no Moose> at the bottom of
+your code, like so:
- package Thing;
- use Moose;
+ package Thing;
+ use Moose;
- # code here
+ # code here
- no Moose;
+ no Moose;
+
+This will un-export the keywords that L<Moose> originally exported. The same
+will also work for L<Moose::Role> and L<Moose::Util::TypeConstraints>. It is
+general L<Moose> policy that this feature is used.
=head3 Sub::Exporter
-The L<Sub::Exporter> module can rename keywords
+L<Moose>, L<Moose::Role> and L<Moose::Util::TypeConstraints> all use
+L<Sub::Exporter> to handle all their exporting needs. This means that all the
+features that L<Sub::Exporter> provides are also available to them.
- package LOL::Cat;
- use Moose 'has' => { -as => 'i_can_haz' };
+For instance, with L<Sub::Exporter> you can rename keywords, like so:
- i_can_haz 'cheeseburger' => (
- is => 'rw',
- trigger => sub { print "NOM NOM" }
- );
+ package LOL::Cat;
+ use Moose 'has' => { -as => 'i_can_haz' };
+
+ i_can_haz 'cheeseburger' => (
+ is => 'rw',
+ trigger => sub { print "NOM NOM" }
+ );
+
+ LOL::Cat->new->cheeseburger('KTHNXBYE');
- LOL::Cat->new->cheeseburger('KTHNXBYE');;
+See the L<Sub::Exporter> docs for more information.
=head3 namespace::clean
-You can use L<namespace::clean> to clean up the namespace
+You can also use L<namespace::clean> to clean up your namespace, but you must
+be careful not to remove C<meta> with this. Here is an example of that usage:
+
+ package Foo;
+ use Moose;
+ use namespace::clean -except => 'meta';
+ # ...
+
+=head1 SEE ALSO
+
+=over 4
+
+=item L<Moose>
+
+=item L<Moose::Role>
+
+=item L<Moose::Utils::TypeConstraints>
+
+=item L<Sub::Exporter>
+
+=item L<namespace::clean>
-=head1 AUTHOR AND COPYRIGHT
+=back
+
+=head1 AUTHOR
John Goulah C<E<lt>jgoulah@cpan.org<gt>>
-=head1 LICENSE
+Stevan Little E<lt>stevan@iinteractive.comE<gt>
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright 2006-2008 by Infinity Interactive, Inc.
+
+L<http://www.iinteractive.com>
-This program is free software; you can redistribute it and/or modify
-it under the same terms as perl itself.
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
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