| // Copyright 2008 Christophe Henry |
| // henry UNDERSCORE christophe AT hotmail DOT com |
| // This is an extended version of the state machine available in the boost::mpl library |
| // Distributed under the same license as the original. |
| // Copyright for the original version: |
| // Copyright 2005 David Abrahams and Aleksey Gurtovoy. 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_MSM_BACK_BIND_HELPERS_H |
| #define BOOST_MSM_BACK_BIND_HELPERS_H |
| |
| #include <functional> |
| |
| namespace boost { namespace msm { namespace back |
| { |
| // helper to replace std::plus as the lack of implicit conversion makes it not usable in one of our bind |
| template<class _Ty,class _Tz> |
| struct plus2 |
| : public std::binary_function<_Ty, _Tz, _Ty> |
| { |
| // functor for operator+ |
| _Ty operator()( _Ty _Left, _Tz _Right) const |
| { |
| // apply operator+ to operands |
| return (_Left + _Right); |
| } |
| }; |
| // helper to dereference a pointer to a function pointer |
| template <class T> |
| struct deref |
| { |
| typedef T& result_type; |
| T& operator()(T* f) const |
| { |
| return *f; |
| } |
| }; |
| } } }//boost::msm::back |
| #endif //BOOST_MSM_BACK_BIND_HELPERS_H |