comparison DEPENDENCIES/generic/include/boost/log/utility/functional/nop.hpp @ 16:2665513ce2d3

Add boost headers

+/*
+ *          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_