Mercurial > pub > Impl
view Lib/IMPL/Object/Singleton.pm @ 59:0f3e369553bd
Rewritten property implementation (probably become slower but more flexible)
Configuration infrastructure in progress (in the aspect of the lazy activation)
Initial concept for the code generator
author | wizard |
---|---|
date | Tue, 09 Mar 2010 02:50:45 +0300 |
parents | 16ada169ca75 |
children | 0d2337e203c0 |
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package IMPL::Object::Singleton; use strict; use warnings; my %instances; sub instance { my $self = shift; $instances{$self} || ($instances{$self} = $self->new(@_)); } 1; __END__ =pod =head1 SYNOPSIS package Foo; use base qw(IMPL::Object IMPL::Object::Singleton); #.... Foo->isnatnce->some_work(); Foo->isnatnce->get_result(); =head1 DESCRIPTION Реализует шаблон Singleton =head1 MEMBERS =head2 OPERATORS =list =item C<instance CLASS(@params)> Создает или возвращает экземпляр класса, если экземляр не существует, то он создается с параметрами C<@params>. =over =cut