Chris@16: //-----------------------------------------------------------------------------
Chris@16: // boost variant/bad_visit.hpp header file
Chris@16: // See http://www.boost.org for updates, documentation, and revision history.
Chris@16: //-----------------------------------------------------------------------------
Chris@16: //
Chris@16: // Copyright (c) 2002-2003
Chris@16: // Eric Friedman
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_VARIANT_BAD_VISIT_HPP
Chris@16: #define BOOST_VARIANT_BAD_VISIT_HPP
Chris@16: 
Chris@16: #include <exception>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: //////////////////////////////////////////////////////////////////////////
Chris@16: // class bad_visit
Chris@16: //
Chris@16: // Exception thrown when a visitation attempt via apply_visitor fails due
Chris@16: // to invalid visited subtype or contents.
Chris@16: //
Chris@16: struct bad_visit
Chris@16:     : std::exception
Chris@16: {
Chris@16: public: // std::exception interface
Chris@16: 
Chris@101:     virtual const char * what() const BOOST_NOEXCEPT_OR_NOTHROW
Chris@16:     {
Chris@16:         return "boost::bad_visit: "
Chris@16:                "failed visitation using boost::apply_visitor";
Chris@16:     }
Chris@16: 
Chris@16: };
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // BOOST_VARIANT_BAD_VISIT_HPP