use strict;
use warnings;
-our $VERSION = '0.02';
+our $VERSION = '0.03';
use base 'Class::MOP::Class';
-__PACKAGE__->meta->add_attribute(
- Class::MOP::Attribute->new('$:count' => (
- reader => 'get_count',
- default => 0
- ))
-);
+InstanceCountingClass->meta->add_attribute('$:count' => (
+ reader => 'get_count',
+ default => 0
+));
-sub construct_instance {
- my ($class, %params) = @_;
- $class->{'$:count'}++;
- return $class->SUPER::construct_instance();
-}
+InstanceCountingClass->meta->add_before_method_modifier('construct_instance' => sub {
+ my ($class) = @_;
+ $class->{'$:count'}++;
+});
1;
package Foo;
- sub meta { InstanceCountingClass->initialize($_[0]) }
+ use metaclass 'InstanceCountingClass';
+
sub new {
my $class = shift;
- bless $class->meta->construct_instance(@_) => $class;
+ $class->meta->new_object(@_);
}
# ... meanwhile, somewhere in the code
This is a classic example of a metaclass which keeps a count of each
instance which is created.
-=head1 AUTHOR
+=head1 AUTHORS
Stevan Little E<lt>stevan@iinteractive.comE<gt>
+Yuval Kogman E<lt>nothingmuch@woobling.comE<gt>
+
=head1 COPYRIGHT AND LICENSE
-Copyright 2006 by Infinity Interactive, Inc.
+Copyright 2006, 2007 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>