bin/x86_64-linux/google/protobuf/any.proto in grpc-tools-1.4.5 vs bin/x86_64-linux/google/protobuf/any.proto in grpc-tools-1.6.0.pre1

@@ -72,9 +72,19 @@
 //     ...
 //     if any.Is(Foo.DESCRIPTOR):
 //       any.Unpack(foo)
 //       ...
 //
+//  Example 4: Pack and unpack a message in Go
+//
+//      foo := &pb.Foo{...}
+//      any, err := ptypes.MarshalAny(foo)
+//      ...
+//      foo := &pb.Foo{}
+//      if err := ptypes.UnmarshalAny(any, foo); err != nil {
+//        ...
+//      }
+//
 // The pack methods provided by protobuf library will by default use
 // 'type.googleapis.com/full.type.name' as the type URL and the unpack
 // methods only use the fully qualified type name after the last '/'
 // in the type URL, for example "foo.bar.com/x/y.z" will yield type
 // name "y.z".