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82 lines
1.8 KiB
82 lines
1.8 KiB
/* Copyright 2006-2009 Joaquin M Lopez Munoz. |
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* Distributed under the Boost Software License, Version 1.0. |
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* (See accompanying file LICENSE_1_0.txt or copy at |
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* http://www.boost.org/LICENSE_1_0.txt) |
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* |
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* See http://www.boost.org/libs/flyweight for library home page. |
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*/ |
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#ifndef BOOST_FLYWEIGHT_SET_FACTORY_HPP |
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#define BOOST_FLYWEIGHT_SET_FACTORY_HPP |
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#if defined(_MSC_VER)&&(_MSC_VER>=1200) |
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#pragma once |
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#endif |
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#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ |
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#include <boost/detail/allocator_utilities.hpp> |
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#include <boost/flyweight/assoc_container_factory.hpp> |
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#include <boost/flyweight/factory_tag.hpp> |
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#include <boost/flyweight/set_factory_fwd.hpp> |
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#include <boost/mpl/aux_/lambda_support.hpp> |
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#include <boost/mpl/if.hpp> |
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#include <set> |
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/* Particularization of assoc_container_factory_class using a set. |
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*/ |
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namespace boost{ |
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namespace flyweights{ |
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template< |
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typename Entry,typename Key, |
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typename Compare,typename Allocator |
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> |
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class set_factory_class: |
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public assoc_container_factory_class< |
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std::set< |
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Entry, |
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typename boost::mpl::if_< |
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mpl::is_na<Compare>, |
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std::less<Key>, |
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Compare |
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>::type, |
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typename boost::mpl::if_< |
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mpl::is_na<Allocator>, |
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std::allocator<Entry>, |
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Allocator |
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>::type |
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> |
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> |
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{ |
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public: |
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typedef set_factory_class type; |
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BOOST_MPL_AUX_LAMBDA_SUPPORT( |
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4,set_factory_class,(Entry,Key,Compare,Allocator)) |
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}; |
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/* set_factory_class specifier */ |
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template< |
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typename Compare,typename Allocator |
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BOOST_FLYWEIGHT_NOT_A_PLACEHOLDER_EXPRESSION_DEF |
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> |
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struct set_factory:factory_marker |
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{ |
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template<typename Entry,typename Key> |
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struct apply: |
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mpl::apply2< |
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set_factory_class< |
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boost::mpl::_1,boost::mpl::_2,Compare,Allocator |
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>, |
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Entry,Key |
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> |
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{}; |
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}; |
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} /* namespace flyweights */ |
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} /* namespace boost */ |
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#endif
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