update boost

linx64/include/boost/json/impl/value_ref.hpp

@@ -0,0 +1,58 @@
+//
+// Copyright (c) 2019 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_IMPL_VALUE_REF_HPP
+#define BOOST_JSON_IMPL_VALUE_REF_HPP
+
+namespace boost {
+namespace json {
+
+template<class T>
+value
+value_ref::
+from_builtin(
+    void const* p,
+    storage_ptr sp) noexcept
+{
+    return value(
+        *reinterpret_cast<
+            T const*>(p),
+        std::move(sp));
+}
+
+template<class T>
+value
+value_ref::
+from_const(
+    void const* p,
+    storage_ptr sp)
+{
+    return value(
+        *reinterpret_cast<
+            T const*>(p),
+        std::move(sp));
+}
+
+template<class T>
+value
+value_ref::
+from_rvalue(
+    void* p,
+    storage_ptr sp)
+{
+    return value(
+        std::move(
+            *reinterpret_cast<T*>(p)),
+        std::move(sp));
+}
+
+} // namespace json
+} // namespace boost
+
+#endif