Method RealQuickRatio

texteditor/difflib/bytes/bytes.go:580–583

RealQuickRatio returns an upper bound on ratio() very quickly. This isn't defined beyond that it is an upper bound on .Ratio(), and is faster to compute than either .Ratio() or .QuickRatio().

()

// This isn't defined beyond that it is an upper bound on .Ratio(), and
// is faster to compute than either .Ratio() or .QuickRatio().
func (m *SequenceMatcher) RealQuickRatio() float64 {
	la, lb := len(m.a), len(m.b)
	return calculateRatio(min(la, lb), la+lb)
}

func count_leading(line []byte, ch byte) (count int) {
	// Return number of `ch` characters at the start of `line`.