}

func (m *mutator) randByteOrder() binary.ByteOrder {
	if m.r.bool() {
		return binary.LittleEndian
	}
	return binary.BigEndian
}

// chooseLen chooses length of range mutation in range [1,n]. It gives
// preference to shorter ranges.
func (m *mutator) chooseLen(n int) int {
	switch x := m.rand(100); {
	case x < 90:
		return m.rand(min(8, n)) + 1
	case x < 99:
		return m.rand(min(32, n)) + 1
	default: