/// Seek the writer to the end.
Seek the writer to the end.
Seek the writer to the end .
pub fn seek_to_end(&mut self) -> Result<u64> {
        self.seek(SeekFrom::End(0)).map_err(|e| {
            error!("Seeking to end fails, {}", e);
            e
        })
    }
pub fn seek_to_end ( & mut self ) -> Result < u64 > { self . seek ( SeekFrom :: End ( 0 ) ) . map_err ( | e | { error ! ( " " e ) ; e } ) }
Seek the writer to the end.
Seek the writer to the end .
&mut self