1 ///////////////////////////////////////////////////////////////////////////////
2 // never_true.hpp
3 //
4 //  Copyright 2008 Eric Niebler. Distributed under the Boost
5 //  Software License, Version 1.0. (See accompanying file
6 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 
8 #ifndef BOOST_XPRESSIVE_DETAIL_UTILITY_NEVER_TRUE_HPP_EAN_10_04_2005
9 #define BOOST_XPRESSIVE_DETAIL_UTILITY_NEVER_TRUE_HPP_EAN_10_04_2005
10 
11 #include <boost/mpl/bool.hpp>
12 
13 namespace boost { namespace xpressive { namespace detail
14 {
15 
16     // for use in static asserts
17     template<typename T>
18     struct never_true
19       : mpl::false_
20     {
21     };
22 
23 }}}
24 
25 #endif
26