view DEPENDENCIES/generic/include/boost/variant/bad_visit.hpp @ 59:6d9afb9d5571

Add easily-identified summary tags to the summary files
author Chris Cannam
date Fri, 12 Sep 2014 08:15:39 +0100
parents 2665513ce2d3
children c530137014c0
line wrap: on
line source
//-----------------------------------------------------------------------------
// boost variant/bad_visit.hpp header file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2002-2003
// Eric Friedman
//
// 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_VARIANT_BAD_VISIT_HPP
#define BOOST_VARIANT_BAD_VISIT_HPP

#include <exception>

namespace boost {

//////////////////////////////////////////////////////////////////////////
// class bad_visit
//
// Exception thrown when a visitation attempt via apply_visitor fails due
// to invalid visited subtype or contents.
//
struct bad_visit
    : std::exception
{
public: // std::exception interface

    virtual const char * what() const throw()
    {
        return "boost::bad_visit: "
               "failed visitation using boost::apply_visitor";
    }

};

} // namespace boost

#endif // BOOST_VARIANT_BAD_VISIT_HPP