Added API versioning.

include/msgpack/adaptor/cpp11/tuple.hpp

@@ -18,6 +18,8 @@
 #ifndef MSGPACK_CPP11_TUPLE_HPP
 #define MSGPACK_CPP11_TUPLE_HPP
 
+#include "msgpack/versioning.hpp"
+
 #include <tuple>
 
 #include "msgpack/object.hpp"
@@ -25,6 +27,8 @@
 
 namespace msgpack {
 
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+
 // --- Pack ( from tuple to packer stream ---
 template <typename Stream, typename Tuple, std::size_t N>
 struct StdTuplePacker {
@@ -140,6 +144,8 @@ inline void operator<< (
     StdTupleToObjectWithZone<decltype(v), sizeof...(Args)>::convert(o, v);
 }
 
-} // msgpack
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+
+} // namespace msgpack
 
 #endif // MSGPACK_CPP11_TUPLE_HPP