NAME

InstanceCountingClass - An example metaclass which counts instances

SYNOPSIS

package Foo;

sub meta { InstanceCountingClass->initialize($_[0]) }
sub new  {
    my $class = shift;
    bless $class->meta->construct_instance(@_) => $class;
}

# ... meanwhile, somewhere in the code

my $foo = Foo->new();
print Foo->meta->get_count(); # prints 1

my $foo2 = Foo->new();
print Foo->meta->get_count(); # prints 2  

# ... etc etc etc

DESCRIPTION

This is a classic example of a metaclass which keeps a count of each instance which is created.

AUTHOR

Stevan Little <stevan@iinteractive.com>

COPYRIGHT AND LICENSE

Copyright 2006 by Infinity Interactive, Inc.

http://www.iinteractive.com

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.