update boost

linx64/include/boost/parameter/aux_/pack/parameter_requirements.hpp

@@ -0,0 +1,25 @@
+// Copyright Daniel Wallin, David Abrahams 2005.
+// 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_PACK_PARAMETER_REQUIREMENTS_HPP
+#define BOOST_PARAMETER_AUX_PACK_PARAMETER_REQUIREMENTS_HPP
+
+namespace boost { namespace parameter { namespace aux {
+
+    // Used to pass static information about parameter requirements through
+    // the satisfies() overload set (below).  The matched function is never
+    // invoked, but its type indicates whether a parameter matches at
+    // compile-time.
+    template <typename Keyword, typename Predicate, typename HasDefault>
+    struct parameter_requirements
+    {
+        typedef Keyword keyword;
+        typedef Predicate predicate;
+        typedef HasDefault has_default;
+    };
+}}} // namespace boost::parameter::aux
+
+#endif  // include guard
+