func (f Form) QuickSpan(b []byte) int {
	n, _ := formTable[f].quickSpan(inputBytes(b), 0, len(b), true)
	return n
}

// Span implements transform.SpanningTransformer. It returns a boundary n such
// that b[0:n] == f(b[0:n]). It is not guaranteed to return the largest such n.
func (f Form) Span(b []byte, atEOF bool) (n int, err error) {
	n, ok := formTable[f].quickSpan(inputBytes(b), 0, len(b), atEOF)
	if n < len(b) {

func (f Form) QuickSpan(b []byte) int {
	n, _ := formTable[f].quickSpan(inputBytes(b), 0, len(b), true)
	return n
}

// Span implements transform.SpanningTransformer. It returns a boundary n such
// that b[0:n] == f(b[0:n]). It is not guaranteed to return the largest such n.
func (f Form) Span(b []byte, atEOF bool) (n int, err error) {
	n, ok := formTable[f].quickSpan(inputBytes(b), 0, len(b), atEOF)
	if n < len(b) {

	// Cap the maximum number of src bytes to check.
	b := src
	eof := atEOF
	if ns := len(dst); ns < len(b) {
		err = transform.ErrShortDst
		eof = false
		b = b[:ns]
	}
	i, ok := formTable[f].quickSpan(inputBytes(b), 0, len(b), eof)
	n := copy(dst, b[:i])
	if !ok {
		nDst, nSrc, err = f.transform(dst[n:], src[n:], atEOF)
		return nDst + n, nSrc + n, err
	}

	if err == nil && n < len(src) && !atEOF {

	// Cap the maximum number of src bytes to check.
	b := src
	eof := atEOF
	if ns := len(dst); ns < len(b) {
		err = transform.ErrShortDst
		eof = false
		b = b[:ns]
	}
	i, ok := formTable[f].quickSpan(inputBytes(b), 0, len(b), eof)
	n := copy(dst, b[:i])
	if !ok {
		nDst, nSrc, err = f.transform(dst[n:], src[n:], atEOF)
		return nDst + n, nSrc + n, err
	}

	if err == nil && n < len(src) && !atEOF {

	out    []byte
	flushF func(*reorderBuffer) bool
}

func (rb *reorderBuffer) init(f Form, src []byte) {
	rb.f = *formTable[f]
	rb.src.setBytes(src)
	rb.nsrc = len(src)
	rb.ss = 0
}

func (rb *reorderBuffer) initString(f Form, src string) {
	rb.f = *formTable[f]
	rb.src.setString(src)
	rb.nsrc = len(src)
	rb.ss = 0
}

type formInfo struct {
	form                     Form
	composing, compatibility bool // form type
	info                     lookupFunc
	nextMain                 iterFunc
}

var formTable = []*formInfo{{
	form:          NFC,
	composing:     true,
	compatibility: false,
	info:          lookupInfoNFC,
	nextMain:      nextComposed,
}, {
	form:          NFD,
	composing:     false,

	out    []byte
	flushF func(*reorderBuffer) bool
}

func (rb *reorderBuffer) init(f Form, src []byte) {
	rb.f = *formTable[f]
	rb.src.setBytes(src)
	rb.nsrc = len(src)
	rb.ss = 0
}

func (rb *reorderBuffer) initString(f Form, src string) {
	rb.f = *formTable[f]
	rb.src.setString(src)
	rb.nsrc = len(src)
	rb.ss = 0
}

type formInfo struct {
	form                     Form
	composing, compatibility bool // form type
	info                     lookupFunc
	nextMain                 iterFunc
}

var formTable = []*formInfo{{
	form:          NFC,
	composing:     true,
	compatibility: false,
	info:          lookupInfoNFC,
	nextMain:      nextComposed,
}, {
	form:          NFD,
	composing:     false,

          V2 extends @Nullable Object>
      extends AbstractTable<R, C, V2> {
    final Table<R, C, V1> fromTable;
    final Function<? super V1, V2> function;

    TransformedTable(Table<R, C, V1> fromTable, Function<? super V1, V2> function) {
      this.fromTable = checkNotNull(fromTable);
      this.function = checkNotNull(function);
    }

    @Override

          V2 extends @Nullable Object>
      extends AbstractTable<R, C, V2> {
    final Table<R, C, V1> fromTable;
    final Function<? super V1, V2> function;

    TransformedTable(Table<R, C, V1> fromTable, Function<? super V1, V2> function) {
      this.fromTable = checkNotNull(fromTable);
      this.function = checkNotNull(function);
    }

    @Override