assert(t.inst == nil)
	t.resolve()
	if t.methodIndex(m.name, false) < 0 {
		t.methods = append(t.methods, m)
	}
}

// methodIndex returns the index of the method with the given name.
// If foldCase is set, capitalization in the name is ignored.
// The result is negative if no such method exists.
func (t *Named) methodIndex(name string, foldCase bool) int {
	if name == "_" {
		return -1
	}

	assert(t.inst == nil)
	t.resolve()
	if t.methodIndex(m.name, false) < 0 {
		t.methods = append(t.methods, m)
	}
}

// methodIndex returns the index of the method with the given name.
// If foldCase is set, capitalization in the name is ignored.
// The result is negative if no such method exists.
func (t *Named) methodIndex(name string, foldCase bool) int {
	if name == "_" {
		return -1
	}

		for i, f := range fields {
			if f.sameId(pkg, name, foldCase) {
				return i
			}
		}
	}
	return -1
}

// methodIndex returns the index of and method with matching package and name, or (-1, nil).
// See Object.sameId for the meaning of foldCase.
func methodIndex(methods []*Func, pkg *Package, name string, foldCase bool) (int, *Func) {
	if name != "_" {
		for i, m := range methods {

		for i, f := range fields {
			if f.sameId(pkg, name, foldCase) {
				return i
			}
		}
	}
	return -1
}

// methodIndex returns the index of and method with matching package and name, or (-1, nil).
// See Object.sameId for the meaning of foldCase.
func methodIndex(methods []*Func, pkg *Package, name string, foldCase bool) (int, *Func) {
	if name != "_" {
		for i, m := range methods {

// LookupMethod returns the index of and method with matching package and name, or (-1, nil).
func (s *_TypeSet) LookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	return methodIndex(s.methods, pkg, name, foldCase)
}

func (s *_TypeSet) String() string {
	switch {
	case s.IsEmpty():
		return "∅"
	case s.IsAll():
		return "𝓤"
	}

	hasMethods := len(s.methods) > 0

// LookupMethod returns the index of and method with matching package and name, or (-1, nil).
func (s *_TypeSet) LookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	return methodIndex(s.methods, pkg, name, foldCase)
}

func (s *_TypeSet) String() string {
	switch {
	case s.IsEmpty():
		return "∅"
	case s.IsAll():
		return "𝓤"
	}

	hasMethods := len(s.methods) > 0

// The return value t gives the method type signature (without the receiver).
// The return value fn is a pointer to the method code.
func methodReceiver(op string, v Value, methodIndex int) (rcvrtype *abi.Type, t *funcType, fn unsafe.Pointer) {
	i := methodIndex
	if v.typ().Kind() == abi.Interface {
		tt := (*interfaceType)(unsafe.Pointer(v.typ()))
		if uint(i) >= uint(len(tt.Methods)) {