1 /*============================================================================= 2 Copyright (c) 2001-2011 Hartmut Kaiser 3 Copyright (c) 2013 Agustin Berge 4 5 Distributed under the Boost Software License, Version 1.0. (See accompanying 6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 7 ==============================================================================*/ 8 #if !defined(BOOST_SPIRIT_X3_HANDLES_CONTAINER_DEC_18_2010_0920AM) 9 #define BOOST_SPIRIT_X3_HANDLES_CONTAINER_DEC_18_2010_0920AM 10 11 #include <boost/mpl/bool.hpp> 12 13 namespace boost { namespace spirit { namespace x3 { namespace traits 14 { 15 /////////////////////////////////////////////////////////////////////////// 16 // Whether a component handles container attributes intrinsically 17 // (or whether container attributes need to be split up separately). 18 // By default, this gets the Component's handles_container nested value. 19 // Components may specialize this if such a handles_container is not 20 // readily available (e.g. expensive to compute at compile time). 21 /////////////////////////////////////////////////////////////////////////// 22 template <typename Component, typename Context, typename Enable = void> 23 struct handles_container : mpl::bool_<Component::handles_container> {}; 24 25 }}}} 26 27 #endif 28