#[macro_export]
macro_rules! task {
    ($verse:expr, $out:expr) => {
        if $verse.couplet {
            let mut child = Command::new($verse.verb())
                .args($verse.clause())
                .stdin(Stdio::piped())
                .spawn()?;

            let stdin = child.stdin.as_mut().ok_or(io::ErrorKind::BrokenPipe)?;
            stdin.write_all(&$out.as_bytes())?;
            $out.clear();

            child
        } else {
            Command::new($verse.verb()).args($verse.clause()).spawn()?
        }
    };
}

#[macro_export()]
macro_rules! ctask {
    ($verse:expr, $out:expr) => {
        if $verse.couplet {
            let mut child = Command::new($verse.verb())
                .args($verse.clause())
                .stdin(Stdio::piped())
                .stdout(Stdio::piped())
                .spawn()?;

            let stdin = child.stdin.as_mut().ok_or(io::ErrorKind::BrokenPipe)?;
            stdin.write_all(&$out.as_bytes())?;
            $out.clear();

            child
        } else {
            Command::new($verse.verb())
                .args($verse.clause())
                .stdout(Stdio::piped())
                .spawn()?
        }
    };
}