Added thirdparty: boost library

thirdparty/include/boost/json/null_resource.hpp

@@ -0,0 +1,37 @@
+//
+// Copyright (c) 2020 Vinnie Falco (vinnie.falco@gmail.com)
+//
+// 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)
+//
+// Official repository: https://github.com/boostorg/json
+//
+
+#ifndef BOOST_JSON_NULL_RESOURCE_HPP
+#define BOOST_JSON_NULL_RESOURCE_HPP
+
+#include <boost/json/detail/config.hpp>
+#include <boost/json/memory_resource.hpp>
+
+namespace boost {
+namespace json {
+
+/** Return a pointer to the null resource.
+
+    This memory resource always throws the exception
+    `std::bad_alloc` in calls to `allocate`.
+
+    @par Complexity
+    Constant.
+
+    @par Exception Safety
+    No-throw guarantee.
+*/
+BOOST_JSON_DECL
+memory_resource*
+get_null_resource() noexcept;
+
+} // namespace json
+} // namespace boost
+
+#endif