return reflect.Value{}, err
	}
	numIn := typ.NumIn()
	var dddType reflect.Type
	if typ.IsVariadic() {
		if len(args) < numIn-1 {
			return reflect.Value{}, fmt.Errorf("wrong number of args for %s: got %d want at least %d", name, len(args), numIn-1)
		}
		dddType = typ.In(numIn - 1).Elem()
	} else {
		if len(args) != numIn {

	}
	typ := fun.Type()
	numIn := len(args)
	if !isMissing(final) {
		numIn++
	}
	numFixed := len(args)
	if typ.IsVariadic() {
		numFixed = typ.NumIn() - 1 // last arg is the variadic one.
		if numIn < numFixed {
			s.errorf("wrong number of args for %s: want at least %d got %d", name, typ.NumIn()-1, len(args))
		}
	} else if numIn != typ.NumIn() {

func (t rtype) NumField() int {
	tt := t.Type.StructType()
	if tt == nil {
		panic("reflect: NumField of non-struct type")
	}
	return len(tt.Fields)
}

func (t rtype) NumIn() int {
	tt := t.Type.FuncType()
	if tt == nil {
		panic("reflect: NumIn of non-func type")
	}
	return int(tt.InCount)
}

func (t rtype) NumOut() int {
	tt := t.Type.FuncType()
	if tt == nil {

func badlinkname_rtype_Name(*rtype) string

//go:linkname badlinkname_rtype_NumField reflect.(*rtype).NumField
func badlinkname_rtype_NumField(*rtype) int

//go:linkname badlinkname_rtype_NumIn reflect.(*rtype).NumIn
func badlinkname_rtype_NumIn(*rtype) int

//go:linkname badlinkname_rtype_NumMethod reflect.(*rtype).NumMethod
func badlinkname_rtype_NumMethod(*rtype) int

	}
	tt := (*abi.FuncType)(unsafe.Pointer(t))
	return toType(tt.InSlice()[i])
}

func (t *rtype) NumIn() int {
	if t.Kind() != Func {
		panic("reflect: NumIn of non-func type " + t.String())
	}
	tt := (*abi.FuncType)(unsafe.Pointer(t))
	return tt.NumIn()
}

func (t *rtype) NumOut() int {
	if t.Kind() != Func {
		panic("reflect: NumOut of non-func type " + t.String())
	}

		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 {

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++ {

		fn = *(*unsafe.Pointer)(v.ptr)
	} else {
		fn = v.ptr
	}

	if fn == nil {
		panic("reflect.Value.Call: call of nil function")
	}

	isSlice := op == "CallSlice"
	n := t.NumIn()
	isVariadic := t.IsVariadic()
	if isSlice {
		if !isVariadic {
			panic("reflect: CallSlice of non-variadic function")
		}
		if len(in) < n {
			panic("reflect: CallSlice with too few input arguments")