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Diffstat (limited to 'boost/log/detail/sfinae_tools.hpp')
| -rw-r--r-- | boost/log/detail/sfinae_tools.hpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/boost/log/detail/sfinae_tools.hpp b/boost/log/detail/sfinae_tools.hpp new file mode 100644 index 0000000000..e9f2735b25 --- /dev/null +++ b/boost/log/detail/sfinae_tools.hpp @@ -0,0 +1,44 @@ +/* + * Copyright Andrey Semashev 2016. + * 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 sfinae_tools.hpp + * \author Andrey Semashev + * \date 23.02.2016 + * + * \brief This header is the Boost.Log library implementation, see the library documentation + * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html. + */ + +#ifndef BOOST_LOG_DETAIL_SFINAE_TOOLS_HPP_INCLUDED_ +#define BOOST_LOG_DETAIL_SFINAE_TOOLS_HPP_INCLUDED_ + +#include <boost/log/detail/config.hpp> +#include <boost/core/enable_if.hpp> +#include <boost/log/detail/header.hpp> + +#ifdef BOOST_HAS_PRAGMA_ONCE +#pragma once +#endif + +namespace boost { + +BOOST_LOG_OPEN_NAMESPACE + +namespace aux { + +//! A distinct type that can be used as a fake argument type in constructors filtered by SFINAE +struct sfinae_dummy {}; + +} // namespace aux + +BOOST_LOG_CLOSE_NAMESPACE // namespace log + +} // namespace boost + +#include <boost/log/detail/footer.hpp> + +#endif // BOOST_LOG_DETAIL_SFINAE_TOOLS_HPP_INCLUDED_ |