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131 .IX Title "Moose::Meta::Attribute::Native::Trait::Counter 3"
132 .TH Moose::Meta::Attribute::Native::Trait::Counter 3 "2009-11-19" "perl v5.8.7" "User Contributed Perl Documentation"
134 Moose::Meta::Attribute::Native::Trait::Counter \- Helper trait for counters
136 .IX Header "SYNOPSIS"
138 \& package MyHomePage;
143 \& has 'counter' => (
144 \& traits => ['Counter'],
149 \& inc_counter => 'inc',
150 \& dec_counter => 'dec',
151 \& reset_counter => 'reset',
157 \& my $page = MyHomePage\->new();
158 \& $page\->inc_counter; # same as $page\->counter( $page\->counter + 1 );
159 \& $page\->dec_counter; # same as $page\->counter( $page\->counter \- 1 );
162 .IX Header "DESCRIPTION"
163 This module provides a simple counter attribute, which can be
164 incremented and decremented.
166 If your attribute definition does not include any of \fIis\fR, \fIisa\fR,
167 \&\fIdefault\fR or \fIhandles\fR but does use the \f(CW\*(C`Counter\*(C'\fR trait,
168 then this module applies defaults as in the \*(L"\s-1SYNOPSIS\s0\*(R"
169 above. This allows for a very basic counter definition:
172 \& has 'foo' => (traits => ['Counter']);
175 .SH "PROVIDED METHODS"
176 .IX Header "PROVIDED METHODS"
177 These methods are implemented in
178 Moose::Meta::Attribute::Native::MethodProvider::Counter. It is important to
179 note that all those methods do in place modification of the value stored in
181 .IP "\fBset($value)\fR" 4
182 .IX Item "set($value)"
183 Set the counter to the specified value.
186 Increments the value stored in this slot by 1. Providing an argument will
187 cause the counter to be increased by specified amount.
190 Decrements the value stored in this slot by 1. Providing an argument will
191 cause the counter to be increased by specified amount.
194 Resets the value stored in this slot to it's default value.
200 .IP "\fBmethod_provider\fR" 4
201 .IX Item "method_provider"
202 .IP "\fBhas_method_provider\fR" 4
203 .IX Item "has_method_provider"
207 All complex software has bugs lurking in it, and this module is no
208 exception. If you find a bug please either email me, or add the bug
212 Stevan Little <stevan@iinteractive.com>
213 .SH "COPYRIGHT AND LICENSE"
214 .IX Header "COPYRIGHT AND LICENSE"
215 Copyright 2007\-2009 by Infinity Interactive, Inc.
217 <http://www.iinteractive.com>
219 This library is free software; you can redistribute it and/or modify
220 it under the same terms as Perl itself.