func (fr *Reader) Scan() bool {
	var ok bool
	fr.datum, ok = <-fr.deblocked
	return ok
}
// Scan returns true if more data is ready to be read.
Scan returns true if more data is ready to be read.
// Scan returns true if more data is ready to be read .
func (fr *Reader) Scan() bool {
	var ok bool
	fr.datum, ok = <-fr.deblocked
	return ok
}
func ( fr * Reader ) Scan ( ) bool { var ok bool fr . datum , ok = <- fr . deblocked return ok }
Scan returns true if more data is ready to be read.
Scan returns true if more data is ready to be read .