{pkgpath: "nointerface", name: "I", want:...

		// Method must be exported.
		if !method.IsExported() {
			continue
		}
		// Method needs three ins: receiver, *args, *reply.
		if mtype.NumIn() != 3 {
			if logErr {
				log.Printf("rpc.Register: method %q has %d input parameters; needs exactly three\n", mname, mtype.NumIn())
			}
			continue
		}
		// First arg need not be a pointer.
		argType := mtype.In(1)
		if !isExportedOrBuiltinType(argType) {

		mv := rv.Method(i)
		mt := mv.Type()
		if mt.NumOut() == 0 {
			continue
		}
		r.Seed(0)
		for repeat := 0; repeat < 20; repeat++ {
			var args []reflect.Value
			var argstr string
			if mt.NumIn() == 1 {
				var x any
				switch mt.In(0).Kind() {
				default:
					t.Fatalf("unexpected argument type for r.%s", m.Name)

				case reflect.Int:
					if m.Name == "Perm" {

		m := rv.Type().Method(i)
		mv := rv.Method(i)
		mt := mv.Type()
		if mt.NumOut() == 0 {
			continue
		}
		for repeat := 0; repeat < 20; repeat++ {
			var args []reflect.Value
			var argstr string
			if mt.NumIn() == 1 {
				var x any
				switch mt.In(0).Kind() {
				default:
					t.Fatalf("unexpected argument type for r.%s", m.Name)

				case reflect.Int:
					if m.Name == "Perm" {

	// ff should be in the form func(*testing.T, ...interface{})
	fn := reflect.ValueOf(ff)
	fnType := fn.Type()
	if fnType.Kind() != reflect.Func {
		panic("testing: F.Fuzz must receive a function")
	}
	if fnType.NumIn() < 2 || fnType.In(0) != reflect.TypeOf((*T)(nil)) {
		panic("testing: fuzz target must receive at least two arguments, where the first argument is a *T")
	}
	if fnType.NumOut() != 0 {

func (e Equalities) AddFunc(eqFunc interface{}) error {
	fv := reflect.ValueOf(eqFunc)
	ft := fv.Type()
	if ft.Kind() != reflect.Func {
		return fmt.Errorf("expected func, got: %v", ft)
	}
	if ft.NumIn() != 2 {
		return fmt.Errorf("expected two 'in' params, got: %v", ft)
	}
	if ft.NumOut() != 1 {
		return fmt.Errorf("expected one 'out' param, got: %v", ft)
	}
	if ft.In(0) != ft.In(1) {

		}
	}
	s.typeToGVK[t] = append(s.typeToGVK[t], gvk)

	// if the type implements DeepCopyInto(<obj>), register a self-conversion
	if m := reflect.ValueOf(obj).MethodByName("DeepCopyInto"); m.IsValid() && m.Type().NumIn() == 1 && m.Type().NumOut() == 0 && m.Type().In(0) == reflect.TypeOf(obj) {
		if err := s.AddGeneratedConversionFunc(obj, obj, func(a, b interface{}, scope conversion.Scope) error {
			// copy a to b

	nm := t.NumMethod()
	for i := 0; i < nm; i++ {
		tm := t.Method(i)
		if tm.PkgPath != "" {
			// skip unexported method - call will fail
			continue
		}
		m := v.Method(i)
		mt := m.Type()
		if mt.NumIn() == 0 && mt.NumOut() == 1 && mt.Out(0).Kind() == reflect.Bool {
			// TODO(rsc): Remove the func/defer/recover wrapping,
			// which is guarding against panics in miniExpr,
			// once we get down to the simpler state in which

type FuncType struct {
	Type
	InCount  uint16
	OutCount uint16 // top bit is set if last input parameter is ...
}

func (t *FuncType) In(i int) *Type {
	return t.InSlice()[i]
}

func (t *FuncType) NumIn() int {
	return int(t.InCount)
}

func (t *FuncType) NumOut() int {
	return int(t.OutCount & (1<<15 - 1))
}

func (t *FuncType) Out(i int) *Type {
	return (t.OutSlice()[i])
}

	typ := TypeOf(f)
	if typ.NumIn() == 2 && typ.In(0) == TypeOf(int(0)) {
		sl := typ.In(1)
		if sl.Kind() == Slice {
			if sl.Elem() == TypeOf(0.0) {
				// ok
				return
			}
		}
	}

	// Failed
	t.Errorf("want NumIn() = 2, In(0) = int, In(1) = []float64")
	s := fmt.Sprintf("have NumIn() = %d", typ.NumIn())
	for i := 0; i < typ.NumIn(); i++ {