null_exception_translator.hpp

来自「support vector clustering for vc++」· HPP 代码 · 共 45 行

#ifndef BOOST_STATECHART_NULL_EXCEPTION_TRANSLATOR_HPP_INCLUDED
#define BOOST_STATECHART_NULL_EXCEPTION_TRANSLATOR_HPP_INCLUDED
//////////////////////////////////////////////////////////////////////////////
// Copyright 2002-2006 Andreas Huber Doenni
// Distributed under the Boost Software License, Version 1.0. (See accompany-
// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//////////////////////////////////////////////////////////////////////////////



#include <boost/statechart/result.hpp>



namespace boost
{
namespace statechart
{



//////////////////////////////////////////////////////////////////////////////
class null_exception_translator
{
  public:
    //////////////////////////////////////////////////////////////////////////
    // The following declarations should be private.
    // They are only public because many compilers lack template friends.
    //////////////////////////////////////////////////////////////////////////
    template< class Action, class ExceptionEventHandler >
    result operator()( Action action, ExceptionEventHandler )
    {
      return action();
    }
};



} // namespace statechart
} // namespace boost



#endif