fn write_version(&mut self) -> io::Result<()> {
        debug!("Help::write_version");
        self.none(self.parser.app.version.unwrap_or(""))?;
        Ok(())
    }
/// Writes version of a Parser Object to the wrapped stream.
Writes version of a Parser Object to the wrapped stream.
Writes version of a Parser Object to the wrapped stream .
fn write_version(&mut self) -> io::Result<()> {
        debug!("Help::write_version");
        self.none(self.parser.app.version.unwrap_or(""))?;
        Ok(())
    }
fn write_version ( & mut self ) -> io :: Result < ( ) > { debug ! ( " " ) ; self . none ( self . parser . app . version . unwrap_or ( " " ) ) ? ; Ok ( ( ) ) }
Writes version of a Parser Object to the wrapped stream.
Writes version of a Parser Object to the wrapped stream .
&mut self
&mut self