//   - map[string]interface{}, for JSON objects
//   - nil for JSON null
//
// To unmarshal a JSON array into a slice, Unmarshal resets the slice length
// to zero and then appends each element to the slice.
// As a special case, to unmarshal an empty JSON array into a slice,
// Unmarshal replaces the slice with a new empty slice.
//
// To unmarshal a JSON array into a Go array, Unmarshal decodes

	OTYPE:             8,
	OUNSAFEADD:        8,
	OUNSAFESLICE:      8,
	OUNSAFESLICEDATA:  8,
	OUNSAFESTRING:     8,
	OUNSAFESTRINGDATA: 8,
	OINDEXMAP:         8,
	OINDEX:            8,
	OSLICE:            8,
	OSLICESTR:         8,
	OSLICEARR:         8,
	OSLICE3:           8,
	OSLICE3ARR:        8,
	OSLICEHEADER:      8,
	OSTRINGHEADER:     8,
	ODOTINTER:         8,
	ODOTMETH:          8,

	var x float64
	var p *int
	var imap map[int]int
	var fslice []float64
	var c complex64
	// Some good format/argtypes
	fmt.Printf("")
	fmt.Printf("%b %b %b", 3, i, x)
	fmt.Printf("%c %c %c %c", 3, i, 'x', r)
	fmt.Printf("%d %d %d", 3, i, imap)
	fmt.Printf("%e %e %e %e", 3e9, x, fslice, c)
	fmt.Printf("%E %E %E %E", 3e9, x, fslice, c)
	fmt.Printf("%f %f %f %f", 3e9, x, fslice, c)
	fmt.Printf("%F %F %F %F", 3e9, x, fslice, c)

		v.AddArg2(v0, v1)
		return true
	}
	// match: (Load <t> ptr mem)
	// cond: t.IsSlice()
	// result: (SliceMake (Load <t.Elem().PtrTo()> ptr mem) (Load <typ.Int> (OffPtr <typ.IntPtr> [config.PtrSize] ptr) mem) (Load <typ.Int> (OffPtr <typ.IntPtr> [2*config.PtrSize] ptr) mem))
	for {
		t := v.Type
		ptr := v_0
		mem := v_1
		if !(t.IsSlice()) {
			break
		}
		v.reset(OpSliceMake)

// When sent as a parameter, the caller gives up ownership of the byte slice.
// When returned as response, the handler also gives up ownership of the byte slice.
func NewBytesWith(b []byte) *Bytes {
	bb := Bytes(b)
	return &bb
}

// NewBytesWithCopyOf returns a new byte slice with a copy of the provided content.
func NewBytesWithCopyOf(b []byte) *Bytes {
	if b == nil {
		bb := Bytes(nil)

	panicCheck1(getcallerpc(), "slice bounds out of range")
	panic(boundsError{x: int64(x), signed: true, y: y, code: boundsSlice3Alen})
}
func goPanicSlice3AlenU(x uint, y int) {
	panicCheck1(getcallerpc(), "slice bounds out of range")
	panic(boundsError{x: int64(x), signed: false, y: y, code: boundsSlice3Alen})
}
func goPanicSlice3Acap(x int, y int) {
	panicCheck1(getcallerpc(), "slice bounds out of range")

	ref, exists := span.specialFindSplicePoint(offset, _KindSpecialPinCounter)
	if !exists {
		lock(&mheap_.speciallock)
		rec = (*specialPinCounter)(mheap_.specialPinCounterAlloc.alloc())
		unlock(&mheap_.speciallock)
		// splice in record, fill in offset.
		rec.special.offset = uint16(offset)
		rec.special.kind = _KindSpecialPinCounter
		rec.special.next = *ref
		*ref = (*special)(unsafe.Pointer(rec))
		spanHasSpecials(span)
	} else {

// Len returns v's length.
// It panics if v's Kind is not Array, Chan, Map, Slice, or String.
func (v Value) Len() int {
	k := v.kind()
	switch k {
	case abi.Array:
		tt := (*arrayType)(unsafe.Pointer(v.typ()))
		return int(tt.Len)
	case abi.Chan:
		return chanlen(v.pointer())
	case abi.Map:
		return maplen(v.pointer())
	case abi.Slice:
		// Slice is bigger than a word; assume flagIndir.

		fail: false,
	},
	{
		// Passing the address of a slice with no Go pointers.
		name:    "sliceok1",
		c:       `void f6(void **p) {}`,
		imports: []string{"unsafe"},
		body:    `s := []unsafe.Pointer{nil}; C.f6(&s[0])`,
		fail:    false,
	},
	{
		// Passing the address of a slice with a Go pointer.
		name:    "sliceptr1",
		c:       `void f7(void **p) {}`,

	byteorder.BePutUint32(ctr, byteorder.BeUint32(ctr)+1)
}

// sliceForAppend takes a slice and a requested number of bytes. It returns a
// slice with the contents of the given slice followed by that many bytes and a
// second slice that aliases into it and contains only the extra bytes. If the
// original slice has sufficient capacity then no allocation is performed.
func sliceForAppend(in []byte, n int) (head, tail []byte) {