boost/move/detail/std_ns_begin.hpp
#//////////////////////////////////////////////////////////////////////////////
#//
#// (C) Copyright Ion Gaztanaga 2015-2015.
#// Distributed under the Boost Software License, Version 1.0.
#// (See accompanying file LICENSE_1_0.txt or copy at
#// http://www.boost.org/LICENSE_1_0.txt)
#//
#// See http://www.boost.org/libs/move for documentation.
#//
#//////////////////////////////////////////////////////////////////////////////
#
#if defined(_LIBCPP_VERSION)
#if defined(__clang__)
#define BOOST_MOVE_STD_NS_GCC_DIAGNOSTIC_PUSH
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wc++11-extensions"
#endif
#define BOOST_MOVE_STD_NS_BEG _LIBCPP_BEGIN_NAMESPACE_STD
#define BOOST_MOVE_STD_NS_END _LIBCPP_END_NAMESPACE_STD
#elif defined(BOOST_GNU_STDLIB) && defined(_GLIBCXX_BEGIN_NAMESPACE_VERSION) //GCC >= 4.6
#define BOOST_MOVE_STD_NS_BEG namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION
#define BOOST_MOVE_STD_NS_END _GLIBCXX_END_NAMESPACE_VERSION } // namespace
#elif defined(BOOST_GNU_STDLIB) && defined(_GLIBCXX_BEGIN_NAMESPACE) //GCC >= 4.2
#define BOOST_MOVE_STD_NS_BEG _GLIBCXX_BEGIN_NAMESPACE(std)
#define BOOST_MOVE_STD_NS_END _GLIBCXX_END_NAMESPACE
#elif defined(BOOST_DINKUMWARE_STDLIB)
#define BOOST_MOVE_STD_NS_BEG _STD_BEGIN
#define BOOST_MOVE_STD_NS_END _STD_END
#endif
#if defined(_MSC_VER) && (_MSC_VER >= 1915)
#pragma warning (push)
#pragma warning (disable : 4643) // Forward declaring 'X' in namespace std is not permitted by the C++ Standard
#endif