`Kernel#itself` should not be a module function
MODIFY
mrbgems/mruby-object-ext/src/object.c
mrbgems/mruby-object-ext/src/object.c
@@ -118,7 +118,8 @@ mrb_mruby_object_ext_gem_init(mrb_state* mrb)
mrb_define_method(mrb, n, "to_f", nil_to_f, MRB_ARGS_NONE());
#endif
mrb_define_method(mrb, n, "to_i", nil_to_i, MRB_ARGS_NONE());
- mrb_define_module_function(mrb, mrb->kernel_module, "itself", mrb_f_itself, MRB_ARGS_NONE());
+
+ mrb_define_method(mrb, mrb->kernel_module, "itself", mrb_f_itself, MRB_ARGS_NONE());
mrb_define_method(mrb, mrb_class_get(mrb, "BasicObject"), "instance_exec", mrb_obj_instance_exec, MRB_ARGS_ANY() | MRB_ARGS_BLOCK());
}

`Kernel#itself` should not be a module function