ceph/src/boost/libs/spirit/include/boost/spirit/home/x3/support/traits/handles_container.hpp

   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