boost/statechart/null_exception_translator.hpp

0001 #ifndef BOOST_STATECHART_NULL_EXCEPTION_TRANSLATOR_HPP_INCLUDED
0002 #define BOOST_STATECHART_NULL_EXCEPTION_TRANSLATOR_HPP_INCLUDED
0003 //////////////////////////////////////////////////////////////////////////////
0004 // Copyright 2002-2006 Andreas Huber Doenni
0005 // Distributed under the Boost Software License, Version 1.0. (See accompany-
0006 // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0007 //////////////////////////////////////////////////////////////////////////////
0008
0009
0010
0011 #include <boost/statechart/result.hpp>
0012
0013
0014
0015 namespace boost
0016 {
0017 namespace statechart
0018 {
0019
0020
0021
0022 //////////////////////////////////////////////////////////////////////////////
0023 class null_exception_translator
0024 {
0025   public:
0026     //////////////////////////////////////////////////////////////////////////
0027     // The following declarations should be private.
0028     // They are only public because many compilers lack template friends.
0029     //////////////////////////////////////////////////////////////////////////
0030     template< class Action, class ExceptionEventHandler >
0031     result operator()( Action action, ExceptionEventHandler )
0032     {
0033       return action();
0034     }
0035 };
0036
0037
0038
0039 } // namespace statechart
0040 } // namespace boost
0041
0042
0043
0044 #endif