func (z *SmallPtr) M() int64 { return int64(z.a) }

type IntPtr int32
func (z *IntPtr) M() int64 { return int64(*z) }

var bad bool

func test(name string, i I) {
	m := i.M()
	if m != 12345 {
		println(name, m)
		bad = true
	}
}

func ptrs() {
	var bigptr BigPtr = BigPtr{ 10000, 2000, 300, 45 }
	var smallptr SmallPtr = SmallPtr{ 12345 }
	var intptr IntPtr = 12345

//	test("bigptr", bigptr)

	x any
	t any
	b bool
}{
	{new(chan int), new(<-chan int), true},
	{new(<-chan int), new(chan int), false},
	{new(*int), new(IntPtr), true},
	{new(IntPtr), new(*int), true},
	{new(IntPtr), new(IntPtr1), false},
	{new(Ch), new(<-chan any), true},
	// test runs implementsTests too
}

type IntPtr *int
type IntPtr1 *int
type Ch <-chan any

func TestAssignableTo(t *testing.T) {

    (Load <typ.Int>
      (OffPtr <typ.IntPtr> [config.PtrSize] ptr)
      mem)
    (Load <typ.Int>
      (OffPtr <typ.IntPtr> [2*config.PtrSize] ptr)
      mem))
(Store {t} dst (SliceMake ptr len cap) mem) =>
  (Store {typ.Int}
    (OffPtr <typ.IntPtr> [2*config.PtrSize] dst)
    cap
    (Store {typ.Int}
      (OffPtr <typ.IntPtr> [config.PtrSize] dst)
      len

	t any
	b bool
}{
	{new(chan int), new(<-chan int), true},
	{new(<-chan int), new(chan int), false},
	{new(*int), new(IntPtr), true},
	{new(IntPtr), new(*int), true},
	{new(IntPtr), new(IntPtr1), false},
	{new(Ch), new(<-chan any), true},
	// test runs implementsTests too
}

type IntPtr *int
type IntPtr1 *int
type Ch <-chan any

func TestAssignableTo(t *testing.T) {

		{name: "boot out of range", Services: []string{service1}, options: options{Boot: intPtr(1)}, wantErr: true},
		{name: "tailLines", Services: []string{service1}, options: options{TailLines: intPtr(100)}},
		{name: "tailLines out of range", Services: []string{service1}, options: options{TailLines: intPtr(100000)}},
	}
	for _, tt := range tests {

}

func _[P interface{ *int }](p P) {
        _ = *p
}

func _[P interface{ *int | *string }](p P) {
        _ = *p // ERROR "must have identical base types"
}

type intPtr *int

func _[P interface{ *int | intPtr } ](p P) {
        var _ int = *p

	for {
		t := v.Type
		ptr := v_0
		mem := v_1
		if !(t.IsString()) {
			break
		}
		v.reset(OpStringMake)
		v0 := b.NewValue0(v.Pos, OpLoad, typ.BytePtr)
		v0.AddArg2(ptr, mem)
		v1 := b.NewValue0(v.Pos, OpLoad, typ.Int)
		v2 := b.NewValue0(v.Pos, OpOffPtr, typ.IntPtr)
		v2.AuxInt = int64ToAuxInt(config.PtrSize)

public static extern IntPtr CreateFileW(
  String lpFileName,
  UInt32 dwDesiredAccess,
  UInt32 dwShareMode,
  IntPtr lpSecurityAttributes,
  UInt32 dwCreationDisposition,
  UInt32 dwFlagsAndAttributes,
  IntPtr hTemplateFile
);

[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern bool SetFilePointer(
  IntPtr hFile,
  Int32  lDistanceToMove,

	}
}

func intPtrValue(intptr any) any {
	return reflect.Indirect(reflect.Indirect(reflect.ValueOf(intptr))).Int()
}

func intValue(intptr any) int64 {
	return reflect.Indirect(reflect.ValueOf(intptr)).Int()
}

func uintValue(intptr any) uint64 {
	return reflect.Indirect(reflect.ValueOf(intptr)).Uint()
}

func float64Value(ptr any) float64 {

		Bloc("entry",
			Valu("mem", OpInitMem, types.TypeMem, 0, nil),
			Valu("c1", OpArg, c.config.Types.Bool, 0, nil),
			Valu("p", OpArg, c.config.Types.IntPtr, 0, nil),
			If("c1", "z0", "exit")),
		Bloc("z0",
			Valu("nilcheck", OpNilCheck, c.config.Types.IntPtr, 0, nil, "p", "mem"),
			Goto("exit")),
		Bloc("exit",
			Exit("mem"),
		))
	CheckFunc(fun.f)
	fuseLate(fun.f)
	z0, ok := fun.blocks["z0"]