ceph/src/boost/libs/msm/include/boost/msm/common.hpp

   1 // Copyright 2008 Christophe Henry
   2 // henry UNDERSCORE christophe AT hotmail DOT com
   3 // This is an extended version of the state machine available in the boost::mpl library
   4 // Distributed under the same license as the original.
   5 // Copyright for the original version:
   6 // Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
   7 // under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #ifndef BOOST_MSM_COMMON_H
  12 #define BOOST_MSM_COMMON_H
  13
  14 namespace boost { namespace msm
  15 {
  16 // wrapper for mpl::for_each as showed in the C++ Template Metaprogramming ch. 9
  17 template <class T>
  18 struct wrap{};
  19
  20 // tag to use in grammars where states are seen (init_<<, states_<<...)
  21 struct state_tag{};
  22
  23 } } // boost::msm
  24 #endif //BOOST_MSM_COMMON_H
  25