整理

include/boost/container/detail/minimal_char_traits_header.hpp

@@ -0,0 +1,32 @@
+/////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga  2014-2015
+//
+// 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/container for documentation.
+//
+/////////////////////////////////////////////////////////////////////////////
+#ifndef BOOST_CONTAINER_DETAIL_MINIMAL_CHAR_TRAITS_HEADER_HPP
+#define BOOST_CONTAINER_DETAIL_MINIMAL_CHAR_TRAITS_HEADER_HPP
+#
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+#
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+#
+#//Try to avoid including <string>, as it's quite big
+#if defined(_MSC_VER) && defined(BOOST_DINKUMWARE_STDLIB)
+   #include <iosfwd>   //Dinkum libraries for MSVC define std::char_traits there
+#elif defined(BOOST_GNU_STDLIB)
+   #include <bits/char_traits.h>
+#else
+   #include <string>  //Fallback
+#endif
+
+#endif //BOOST_CONTAINER_DETAIL_MINIMAL_CHAR_TRAITS_HEADER_HPP