func (s *stream) Close() error {
	runtime.SetFinalizer(s, nil)
	return s.src.Close()
}
func (s *stream) Close() error {
	runtime.SetFinalizer(s, nil)
	return s.src.Close()
}
func ( s * stream ) Close ( ) error { runtime . SetFinalizer ( s , nil ) return s . src . Close ( ) }
// Close is implementation of io.Closer's Close.
Close is implementation of io . Closer s Close .