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56 lines
1.2 KiB
56 lines
1.2 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_STATIC_HOLDER_HPP |
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#define BOOST_FLYWEIGHT_STATIC_HOLDER_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/flyweight/static_holder_fwd.hpp> |
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#include <boost/flyweight/holder_tag.hpp> |
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#include <boost/mpl/aux_/lambda_support.hpp> |
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/* Simplest holder storing the T object as a local static variable. |
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*/ |
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namespace boost{ |
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namespace flyweights{ |
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template<typename C> |
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struct static_holder_class:holder_marker |
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{ |
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static C& get() |
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{ |
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static C c; |
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return c; |
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} |
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typedef static_holder_class type; |
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BOOST_MPL_AUX_LAMBDA_SUPPORT(1,static_holder_class,(C)) |
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}; |
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/* static_holder_class specifier */ |
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struct static_holder:holder_marker |
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{ |
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template<typename C> |
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struct apply |
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{ |
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typedef static_holder_class<C> type; |
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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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