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// never_true.hpp
//  Copyright 2004 Eric Niebler. Distributed under the Boost
//  Software License, Version 1.0. (See accompanying file
//  LICENSE_1_0.txt or copy at


#include <boost/mpl/bool.hpp>

namespace boost { namespace xpressive { namespace detail

    // for use in static asserts
    template<typename T>
    struct never_true
      : mpl::false_