Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/log/utility/functional/nop.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
parents | |
children | c530137014c0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/log/utility/functional/nop.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,55 @@ +/* + * Copyright Andrey Semashev 2007 - 2013. + * 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) + */ +/*! + * \file nop.hpp + * \author Andrey Semashev + * \date 30.03.2008 + * + * This header contains a function object that does nothing. + */ + +#ifndef BOOST_LOG_UTILITY_FUNCTIONAL_NOP_HPP_INCLUDED_ +#define BOOST_LOG_UTILITY_FUNCTIONAL_NOP_HPP_INCLUDED_ + +#include <boost/log/detail/config.hpp> +#include <boost/log/detail/header.hpp> + +#ifdef BOOST_HAS_PRAGMA_ONCE +#pragma once +#endif + +namespace boost { + +BOOST_LOG_OPEN_NAMESPACE + +//! The function object that does nothing +struct nop +{ + typedef void result_type; + + void operator() () const BOOST_NOEXCEPT {} + +#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) + template< typename... ArgsT > + void operator() (ArgsT const&...) const BOOST_NOEXCEPT {} +#else + template< typename T > + void operator() (T const&) const BOOST_NOEXCEPT {} + template< typename T1, typename T2 > + void operator() (T1 const&, T2 const&) const BOOST_NOEXCEPT {} + template< typename T1, typename T2, typename T3 > + void operator() (T1 const&, T2 const&, T3 const&) const BOOST_NOEXCEPT {} +#endif +}; + +BOOST_LOG_CLOSE_NAMESPACE // namespace log + +} // namespace boost + +#include <boost/log/detail/footer.hpp> + +#endif // BOOST_LOG_UTILITY_FUNCTIONAL_NOP_HPP_INCLUDED_