1 files changed, 46 insertions, 0 deletions
diff --git a/boost/log/expressions/formatters/auto_newline.hpp b/boost/log/expressions/formatters/auto_newline.hpp
new file mode 100644
index 0000000000..5677314484
--- /dev/null
+++ b/boost/log/expressions/formatters/auto_newline.hpp
@@ -0,0 +1,46 @@
+/*
+ *             Copyright Andrey Semashev 2019.
+ * Distributed under the Boost Software License, Version 1.0.
+ *    (See accompanying file LICENSE_1_0.txt or copy at
+ *          https://www.boost.org/LICENSE_1_0.txt)
+ */
+/*!
+ * \file   expressions/formatters/auto_newline.hpp
+ * \author Andrey Semashev
+ * \date   23.06.2019
+ *
+ * The header contains implementation of formatter for inserting a newline, unless there is already one inserted.
+ */
+
+#ifndef BOOST_LOG_EXPRESSIONS_FORMATTERS_AUTO_NEWLINE_HPP_INCLUDED_
+#define BOOST_LOG_EXPRESSIONS_FORMATTERS_AUTO_NEWLINE_HPP_INCLUDED_
+
+#include <boost/log/detail/config.hpp>
+#include <boost/log/utility/manipulators/auto_newline.hpp>
+#include <boost/log/detail/header.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+namespace boost {
+
+BOOST_LOG_OPEN_NAMESPACE
+
+namespace expressions {
+
+/*!
+ * Formatter for inserting a newline character, unless the last character
+ * inserted into the stream is already a newline.
+ */
+using boost::log::auto_newline;
+
+} // namespace expressions
+
+BOOST_LOG_CLOSE_NAMESPACE // namespace log
+
+} // namespace boost
+
+#include <boost/log/detail/footer.hpp>
+
+#endif // BOOST_LOG_EXPRESSIONS_FORMATTERS_AUTO_NEWLINE_HPP_INCLUDED_