add boost on mac

macx64/include/boost/log/utility/manipulators/to_log.hpp

@@ -0,0 +1,81 @@
+/*
+ *          Copyright Andrey Semashev 2007 - 2015.
+ * 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   to_log.hpp
+ * \author Andrey Semashev
+ * \date   06.11.2012
+ *
+ * This header contains the \c to_log output manipulator.
+ */
+
+#ifndef BOOST_LOG_UTILITY_MANIPULATORS_TO_LOG_HPP_INCLUDED_
+#define BOOST_LOG_UTILITY_MANIPULATORS_TO_LOG_HPP_INCLUDED_
+
+#include <iosfwd>
+#include <boost/core/enable_if.hpp>
+#include <boost/log/detail/config.hpp>
+#include <boost/log/detail/is_ostream.hpp>
+#include <boost/log/utility/formatting_ostream_fwd.hpp>
+#include <boost/log/detail/header.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+namespace boost {
+
+BOOST_LOG_OPEN_NAMESPACE
+
+/*!
+ * \brief Generic manipulator for customizing output to log
+ */
+template< typename T, typename TagT = void >
+class to_log_manip
+{
+public:
+    //! Output value type
+    typedef T value_type;
+    //! Value tag type
+    typedef TagT tag_type;
+
+private:
+    //! Reference to the value
+    value_type const& m_value;
+
+public:
+    explicit to_log_manip(value_type const& value) BOOST_NOEXCEPT : m_value(value) {}
+    to_log_manip(to_log_manip const& that) BOOST_NOEXCEPT : m_value(that.m_value) {}
+
+    value_type const& get() const BOOST_NOEXCEPT { return m_value; }
+};
+
+template< typename StreamT, typename T, typename TagT >
+inline typename enable_if_c< log::aux::is_ostream< StreamT >::value, StreamT& >::type operator<< (StreamT& strm, to_log_manip< T, TagT > manip)
+{
+    strm << manip.get();
+    return strm;
+}
+
+template< typename T >
+inline to_log_manip< T > to_log(T const& value) BOOST_NOEXCEPT
+{
+    return to_log_manip< T >(value);
+}
+
+template< typename TagT, typename T >
+inline to_log_manip< T, TagT > to_log(T const& value) BOOST_NOEXCEPT
+{
+    return to_log_manip< T, TagT >(value);
+}
+
+BOOST_LOG_CLOSE_NAMESPACE // namespace log
+
+} // namespace boost
+
+#include <boost/log/detail/footer.hpp>
+
+#endif // BOOST_LOG_UTILITY_MANIPULATORS_TO_LOG_HPP_INCLUDED_