update boost

linx64/include/boost/parameter/aux_/pp_impl/match.hpp

@@ -0,0 +1,55 @@
+// Copyright Daniel Wallin 2006.
+// Copyright Cromwell D. Enage 2017.
+// 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)
+
+#ifndef BOOST_PARAMETER_AUX_PP_IMPL_MATCH_HPP
+#define BOOST_PARAMETER_AUX_PP_IMPL_MATCH_HPP
+
+#include <boost/parameter/config.hpp>
+
+#if defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING)
+
+namespace boost { namespace parameter { namespace aux {
+
+    // Recast the ParameterSpec's nested match metafunction
+    // as a free metafunction.
+    //
+    // No more limits set by BOOST_PARAMETER_MAX_ARITY. -- Cromwell D. Enage
+    template <typename Parameters, typename ...Args>
+    struct match : Parameters::BOOST_NESTED_TEMPLATE match<Args...>
+    {
+    };
+}}} // namespace boost::parameter::aux
+
+#else
+
+#include <boost/parameter/aux_/void.hpp>
+#include <boost/preprocessor/facilities/intercept.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
+
+namespace boost { namespace parameter { namespace aux {
+
+    // Recast the ParameterSpec's nested match metafunction
+    // as a free metafunction.
+    template <
+        typename Parameters
+        BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(
+            BOOST_PARAMETER_MAX_ARITY
+          , typename A
+          , = ::boost::parameter::void_ BOOST_PP_INTERCEPT
+        )
+    >
+    struct match
+      : Parameters::BOOST_NESTED_TEMPLATE match<
+            BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, A)
+        >
+    {
+    };
+}}} // namespace boost::parameter::aux
+
+#endif  // BOOST_PARAMETER_HAS_PERFECT_FORWARDING
+#endif  // include guard
+