startBufSize = 4096 // Size of initial allocation for buffer.
)

// NewScanner returns a new [Scanner] to read from r.
// The split function defaults to [ScanLines].
func NewScanner(r io.Reader) *Scanner {
	return &Scanner{
		r:            r,
		split:        ScanLines,
		maxTokenSize: MaxScanTokenSize,
	}
}

// Err returns the first non-EOF error that was encountered by the [Scanner].
func (s *Scanner) Err() error {

		genLine(tmp, lineNum, j, true)
		if j < smallMaxTokenSize {
			j++
		} else {
			j--
		}
		buf.Write(tmp.Bytes())
		lineNum++
	}
	s := NewScanner(&slowReader{1, buf})
	s.Split(ScanLines)
	s.MaxTokenSize(smallMaxTokenSize)
	j = 0
	for lineNum := 0; s.Scan(); lineNum++ {
		genLine(tmp, lineNum, j, false)
		if j < smallMaxTokenSize {
			j++
		} else {
			j--
		}

	save := func(s string) {
		bf.WriteString(s + "\n")
	}
	reset := func() {
		bf.Reset()
	}

	ret := make(map[time.Duration][]string)

	s := bufio.NewScanner(f)
	s.Split(bufio.ScanLines)

	var (
		t            time.Duration
		skip, record bool
	)

	for s.Scan() {
		line := s.Text()
		switch {
		case skip && line != "":
		case skip && line == "":
			skip = false

pkg bufio, const MaxScanTokenSize = 65536
pkg bufio, const MaxScanTokenSize ideal-int
pkg bufio, func NewScanner(io.Reader) *Scanner
pkg bufio, func ScanBytes([]uint8, bool) (int, []uint8, error)
pkg bufio, func ScanLines([]uint8, bool) (int, []uint8, error)
pkg bufio, func ScanRunes([]uint8, bool) (int, []uint8, error)
pkg bufio, func ScanWords([]uint8, bool) (int, []uint8, error)
pkg bufio, method (*Reader) WriteTo(io.Writer) (int64, error)