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131 .IX Title "Moose::Cookbook::Extending::Recipe4 3"
132 .TH Moose::Cookbook::Extending::Recipe4 3 "2009-09-12" "perl v5.8.7" "User Contributed Perl Documentation"
134 Moose::Cookbook::Extending::Recipe4 \- Acting like Moose.pm and providing sugar Moose\-style
136 .IX Header "SYNOPSIS"
138 \& package MyApp::Mooseish;
143 \& use Moose::Exporter;
147 \& Moose::Exporter\->setup_import_methods(
148 \& with_meta => ['has_table'],
156 \& return Moose\->init_meta( @_, metaclass => 'MyApp::Meta::Class' );
163 \& $meta\->table(shift);
168 \& package MyApp::Meta::Class;
173 \& extends 'Moose::Meta::Class';
177 \& has 'table' => ( is => 'rw' );
180 .IX Header "DESCRIPTION"
181 This recipe expands on the use of Moose::Exporter we saw in
182 Moose::Cookbook::Extending::Recipe1. Instead of providing our own
183 object base class, we provide our own metaclass class, and we also
184 export a \f(CW\*(C`has_table\*(C'\fR sugar function.
186 Given the above code, you can now replace all instances of \f(CW\*(C`use
187 Moose\*(C'\fR with \f(CW\*(C`use MyApp::Mooseish\*(C'\fR. Similarly, \f(CW\*(C`no Moose\*(C'\fR is now
188 replaced with \f(CW\*(C`no MyApp::Mooseish\*(C'\fR.
190 The \f(CW\*(C`with_meta\*(C'\fR parameter specifies a list of functions that should
191 be wrapped before exporting. The wrapper simply ensures that the
192 importing package name is the first argument to the function, so we
193 can do \f(CW\*(C`my\ \f(CW$caller\f(CW\ =\ shift;\*(C'\fR.
195 See the Moose::Exporter docs for more details on its \s-1API\s0.
196 .SH "USING MyApp::Mooseish"
197 .IX Header "USING MyApp::Mooseish"
198 The purpose of all this code is to provide a Moose-like
199 interface. Here's what it would look like in actual use:
202 \& package MyApp::User;
206 \& use MyApp::Mooseish;
214 \& has 'username' => ( is => 'ro' );
215 \& has 'password' => ( is => 'ro' );
223 \& no MyApp::Mooseish;
226 All of the normal Moose sugar (\f(CW\*(C`has()\*(C'\fR, \f(CW\*(C`with()\*(C'\fR, etc) is available
227 when you \f(CW\*(C`use MyApp::Mooseish\*(C'\fR.
229 .IX Header "CONCLUSION"
230 Providing sugar functions can make your extension look much more
231 Moose\-ish. See Fey::ORM for a more extensive example.
234 Dave Rolsky <autarch@urth.org>
235 .SH "COPYRIGHT AND LICENSE"
236 .IX Header "COPYRIGHT AND LICENSE"
237 Copyright 2006\-2009 by Infinity Interactive, Inc.
239 <http://www.iinteractive.com>
241 This library is free software; you can redistribute it and/or modify
242 it under the same terms as Perl itself.