multi_index/detail/adl_swap.hpp

0001 /* Copyright 2003-2013 Joaquin M Lopez Munoz.
0002  * Distributed under the Boost Software License, Version 1.0.
0003  * (See accompanying file LICENSE_1_0.txt or copy at
0004  * http://www.boost.org/LICENSE_1_0.txt)
0005  *
0006  * See http://www.boost.org/libs/multi_index for library home page.
0007  */
0008
0009 #ifndef BOOST_MULTI_INDEX_DETAIL_ADL_SWAP_HPP
0010 #define BOOST_MULTI_INDEX_DETAIL_ADL_SWAP_HPP
0011
0012 #if defined(_MSC_VER)
0013 #pragma once
0014 #endif
0015
0016 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
0017 #include <algorithm>
0018
0019 namespace boost{
0020
0021 namespace multi_index{
0022
0023 namespace detail{
0024
0025 template<typename T>
0026 void adl_swap(T& x,T& y)
0027 {
0028
0029 #if !defined(BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL)
0030   using std::swap;
0031   swap(x,y);
0032 #else
0033   std::swap(x,y);
0034 #endif
0035
0036 }
0037
0038 } /* namespace multi_index::detail */
0039
0040 } /* namespace multi_index */
0041
0042 } /* namespace boost */
0043
0044 #endif