csvmap.go
func NewReader(r io.Reader) *Reader {
	return &Reader{
		Reader: csv.NewReader(r),
	}
}
func NewReader(r io.Reader) *Reader {
	return &Reader{
		Reader: csv.NewReader(r),
	}
}
func NewReader ( r io . Reader ) * Reader { return & Reader { Reader : csv . NewReader ( r ) , } }
// NewReader returns a new Reader that reads from r.
NewReader returns a new Reader that reads from r .