Add SCons configure checks

[senf.git] / boost_ext / boost / bimap / detail / concept_tags.hpp

diff --git a/boost_ext/boost/bimap/detail/concept_tags.hpp b/boost_ext/boost/bimap/detail/concept_tags.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 detail/concept_tags.hpp
+/// \brief Bimap tags and concepts
+
+#ifndef BOOST_BIMAP_DETAIL_CONCEPT_TAGS_HPP
+#define BOOST_BIMAP_DETAIL_CONCEPT_TAGS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+#include <boost/mpl/identity.hpp>
+#include <boost/mpl/placeholders.hpp>
+#include <boost/mpl/bool.hpp>
+
+namespace boost {
+namespace bimaps {
+namespace detail {
+
+/// \brief Tag of {SetType}_of definition classes
+/**
+The {SetType}_of classes are derived from this class so it is easy to construct
+metafunctions. For example now is easy to create a is_set_type_of metafunction.
+                                                                                **/
+
+struct set_type_of_tag          {};
+
+/// \brief Tag of {SetType}_of_relation defition classes
+
+struct set_type_of_relation_tag {};
+
+/// \brief Tag of {Side}_based identifiers
+
+struct side_based_tag : set_type_of_relation_tag {};
+
+} // namespace detail
+
+
+/** \struct boost::bimaps::left_based
+    \brief Tag to indicate that the main view will be based on the left side.
+
+This is convenient because the multi-index core will be more efficient.
+If possible use this options or the right based one.
+
+See also right_based.
+                                                                            **/
+
+/** \struct boost::bimaps::right_based
+    \brief Tag to indicate that the main view will be based on the right side.
+
+This is convenient because the multi-index core will be more efficient.
+If possible use this options or the right based one.
+
+See also left_based.
+                                                                            **/
+
+#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+struct left_based : ::boost::bimaps::detail::side_based_tag
+{
+    // I run into troubles if I do not define bind for side based tags.
+    // Maybe a more coherent way of binding the relation can be developped.
+    template< class Relation > struct bind_to { typedef void type; };
+
+    typedef mpl::bool_<true>  left_mutable_key;
+    typedef mpl::bool_<true> right_mutable_key;
+};
+
+struct right_based : ::boost::bimaps::detail::side_based_tag
+{
+    // I run into troubles if I do not define bind for side based tags.
+    // Maybe a more coherent way of binding the relation can be developped.
+    template< class Relation > struct bind_to { typedef void type; };
+
+    typedef mpl::bool_<true>  left_mutable_key;
+    typedef mpl::bool_<true> right_mutable_key;
+};
+
+#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
+
+typedef mpl::_ _relation;
+
+} // namespace bimaps
+} // namespace boost
+
+
+#endif // BOOST_BIMAP_DETAIL_CONCEPT_TAGS_HPP
+