//! Low-level ANSI-styling/// Write ANSI colored text to the streampub fn write_colored<S: std::io::Write + ?Sized>(    stream: &mut S,    fg: Option<anstyle::AnsiColor>,    bg: Option<anstyle::AnsiColor>,    data: &[u8],) -> std::io::Result<usize> {    let non_default = fg.is_some() || bg.is_some();    if non_default {        if let Some(fg) = fg {            write!(stream, "{}", fg.render_fg())?;        }        if let Some(bg) = bg {            write!(stream, "{}", bg.render_bg())?;        }    }    let written = stream.write(data)?;    if non_default {        write!(stream, "{}", anstyle::Reset.render())?;    }    Ok(written)}