control_code
pub trait Format { fn fmt<W: Write>(&self, f: W, wide: bool) -> Result<()>; }
fn fmt<W: Write>(&self, f: W, wide: bool) -> Result<()>
impl<'a> Format for Control<'a>
impl Format for C0
impl<'a> Format for C1<'a>
impl<'a> Format for DEC<'a>
impl Format for CSI