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// ignore_unused.hpp
//  Copyright 2008 Eric Niebler. Distributed under the Boost
//  Software License, Version 1.0. (See accompanying file
//  LICENSE_1_0.txt or copy at


// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once

namespace boost { namespace xpressive { namespace detail

    template<typename T>
    void ignore_unused(T const &)