Add SCons configure checks

[senf.git] / boost_ext / boost / bimap / relation / pair_layout.hpp

diff --git a/boost_ext/boost/bimap/relation/pair_layout.hpp b/boost_ext/boost/bimap/relation/pair_layout.hpp
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+// Boost.Bimap
+//
+// Copyright (c) 2006-2007 Matias Capeletto
+//
+// 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)
+
+/// \file relation/pair_layout.hpp
+/// \brief Tags for pair layouts
+
+#ifndef BOOST_BIMAP_RELATION_PAIR_LAYOUT_HPP
+#define BOOST_BIMAP_RELATION_PAIR_LAYOUT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+namespace boost {
+namespace bimaps {
+namespace relation {
+
+//@{
+
+/// \brief Tag for normal layout. ( A,B -> A,B )
+
+struct normal_layout {};
+
+/// \brief Tag for mirror layout. ( A,B -> B,A )
+
+struct mirror_layout {};
+
+//@}
+
+/** \struct boost::bimaps::relation::inverse_layout
+\brief Metafunction to obtain the inverse of a layout.
+
+\code
+template< class Layout >
+struct inverse_layout
+{
+    typedef {InverseLayout} type;
+};
+\endcode
+
+See also normal_layout, mirror_layout.
+                                                                    **/
+
+#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+template< class Layout >
+struct inverse_layout
+{
+    typedef normal_layout type;
+};
+
+template<>
+struct inverse_layout< normal_layout >
+{
+    typedef mirror_layout type;
+};
+
+#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+} // namespace relation
+} // namespace bimaps
+} // namespace boost
+
+#endif // BOOST_BIMAP_RELATION_DETAIL_PAIR_LAYOUT_HPP
+