1 ///////////////////////////////////////////////////////////////////////////////
2 // ignore_unused.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_IGNORE_UNUSED_HPP_EAN_10_04_2005
9 #define BOOST_XPRESSIVE_DETAIL_UTILITY_IGNORE_UNUSED_HPP_EAN_10_04_2005
10 
11 // MS compatible compilers support #pragma once
12 #if defined(_MSC_VER)
13 # pragma once
14 #endif
15 
16 #include "boost/proto/detail/ignore_unused.hpp"
17 
18 namespace boost { namespace xpressive { namespace detail
19 {
20   using boost::proto::detail::ignore_unused;
21 }}}
22 
23 #endif
24 
25