measure.go
func (m *MeasuredReader) BytesPer(perPeriod time.Duration) uint64 {
	return uint64(m.rate.Rate(perPeriod))
}
func (m *MeasuredReader) BytesPer(perPeriod time.Duration) uint64 {
	return uint64(m.rate.Rate(perPeriod))
}
func ( m * MeasuredReader ) BytesPer ( perPeriod time . Duration ) uint64 { return uint64 ( m . rate . Rate ( perPeriod ) ) }
// BytesPer tells the rate per period at which bytes were read since last
// measurement.
BytesPer tells the rate per period at which bytes were read since last measurement .