Add SCons configure checks

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

diff --git a/boost_ext/boost/bimap/detail/modifier_adaptor.hpp b/boost_ext/boost/bimap/detail/modifier_adaptor.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/modifier_adaptor.hpp
+/// \brief A binary to unary functor relation modifier adaptor.
+
+#ifndef BOOST_BIMAP_DETAIL_MODIFIER_ADAPTOR_HPP
+#define BOOST_BIMAP_DETAIL_MODIFIER_ADAPTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+#include <functional>
+
+namespace boost {
+namespace bimaps {
+namespace detail {
+
+/// \brief A binary to unary functor relation modifier adaptor.
+
+template
+<
+    class Modifier,
+    class NewArgument,
+    class FirstExtractor,
+    class SecondExtractor 
+>
+struct relation_modifier_adaptor :
+    public std::unary_function<NewArgument,bool>,
+    Modifier,
+    FirstExtractor,
+    SecondExtractor
+{
+    relation_modifier_adaptor( const Modifier & m ) : Modifier(m) {}
+    relation_modifier_adaptor( const Modifier & m,
+                               const FirstExtractor & fe,
+                               const SecondExtractor & se ) :
+        Modifier(m), FirstExtractor(fe), SecondExtractor(se) {}
+
+    void operator()( NewArgument & x ) const
+    {
+        Modifier::operator()(
+            FirstExtractor ::operator()( x ),
+            SecondExtractor::operator()( x )
+        );
+    }
+};
+
+/// \brief A simple unary modifier adaptor.
+// This modifier is equivalent to bind( Modifier, bind( Extractor, _1 ) )
+// It may be a good idea to start using Boost.Bind instead of it.
+
+template
+<
+    class Modifier,
+    class NewArgument,
+    class Extractor
+>
+struct unary_modifier_adaptor :
+    public std::unary_function<NewArgument,bool>,
+    Modifier,
+    Extractor
+{
+    unary_modifier_adaptor( const Modifier & m ) : Modifier(m) {}
+    unary_modifier_adaptor( const Modifier & m,
+                            const Extractor & fe) :
+        Modifier(m), Extractor(fe) {}
+
+    void operator()( NewArgument & x ) const
+    {
+        Modifier::operator()( Extractor::operator()( x ) );
+    }
+};
+
+
+} // namespace detail
+} // namespace bimap
+} // namespace boost
+
+
+#endif // BOOST_BIMAP_DETAIL_MODIFIER_ADAPTOR_HPP