// compile // valac --pkg gtk+-3.0 enum.vala -o /tmp/enum // ??--pkg javascriptcore \ int main (string[] args) { Gtk.init(ref args); var type = typeof(Gtk.Box); var ocl = (ObjectClass) type.class_ref (); var ps = ocl.find_property("orientation"); var vt = ps.value_type; print("%s\n", vt.name()); return 0; }