}
	buf.WriteByte(')')
}

func (w *Walker) typeString(typ types.Type) string {
	var buf bytes.Buffer
	w.writeType(&buf, typ)
	return buf.String()
}

func (w *Walker) signatureString(sig *types.Signature) string {
	var buf bytes.Buffer
	w.writeSignature(&buf, sig)
	return buf.String()
}

func (w *Walker) emitObj(obj types.Object) {
	switch obj := obj.(type) {
	case *types.Const: