New upstream version 8.1.0

thirdparty/source/boost_1_61_0/boost/mpl/pair.hpp

@@ -0,0 +1,70 @@
+
+#ifndef BOOST_MPL_PAIR_HPP_INCLUDED
+#define BOOST_MPL_PAIR_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2001-2004
+//
+// 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/mpl for documentation.
+
+// $Id$
+// $Date$
+// $Revision$
+
+#include <boost/mpl/aux_/msvc_eti_base.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+#include <boost/mpl/aux_/config/eti.hpp>
+
+namespace boost { namespace mpl {
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(T1)
+    , typename BOOST_MPL_AUX_NA_PARAM(T2)
+    >
+struct pair
+{
+    typedef pair type;
+    typedef T1 first;
+    typedef T2 second;
+
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(2,pair,(T1,T2))
+};
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(P)
+    >
+struct first
+{
+#if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)
+    typedef typename P::first type;
+#else
+    typedef typename aux::msvc_eti_base<P>::first type;
+#endif
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,first,(P))
+};
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(P)
+    >
+struct second
+{
+#if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)
+    typedef typename P::second type;
+#else
+    typedef typename aux::msvc_eti_base<P>::second type;
+#endif
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,second,(P))
+};
+
+
+BOOST_MPL_AUX_NA_SPEC_NO_ETI(2, pair)
+BOOST_MPL_AUX_NA_SPEC(1, first)
+BOOST_MPL_AUX_NA_SPEC(1, second)
+
+}}
+
+#endif // BOOST_MPL_PAIR_HPP_INCLUDED