func (t *rtype) exportedMethods() []abi.Method {
	ut := t.uncommon()
	if ut == nil {
		return nil
	}
	return ut.ExportedMethods()
}

func (t *rtype) NumMethod() int {
	if t.Kind() == Interface {
		tt := (*interfaceType)(unsafe.Pointer(t))
		return tt.NumMethod()
	}
	return len(t.exportedMethods())
}

func (t *rtype) Method(i int) (m Method) {