#[macro_export]
macro_rules! task {
    ($verse:expr, $out:expr) => {
        if $verse.couplet {
            let mut child = Command::new($verse.verb())
                .args($verse.clause())
                .stdin(Stdio::piped())
                .spawn()
                .map_err(|e| match e.kind() {
                    io::ErrorKind::PermissionDenied => Mishap::PermissionDenied($verse.verb()),
                    _ => Mishap::Else($verse.verb()),
                })?;

            let stdin = child
                .stdin
                .as_mut()
                .ok_or(Mishap::BrokenPipe($verse.verb()))?;
            stdin
                .write_all(&$out.as_bytes())
                .map_err(|_| Mishap::BrokenPipe($verse.verb()))?;
            $out.clear();

            child
        } else {
            Command::new($verse.verb())
                .args($verse.clause())
                .spawn()
                .map_err(|e| match e.kind() {
                    io::ErrorKind::PermissionDenied => Mishap::PermissionDenied($verse.verb()),
                    _ => Mishap::Else($verse.verb()),
                })?
        }
    };
}

#[macro_export()]
macro_rules! ctask {
    ($verse:expr, $out:expr) => {
        if $verse.couplet {
            let mut child = Command::new($verse.verb())
                .args($verse.clause())
                .stdin(Stdio::piped())
                .stdout(Stdio::piped())
                .spawn()
                .map_err(|e| match e.kind() {
                    io::ErrorKind::PermissionDenied => Mishap::PermissionDenied($verse.verb()),
                    _ => Mishap::Else($verse.verb()),
                })?;

            let stdin = child
                .stdin
                .as_mut()
                .ok_or(Mishap::BrokenPipe($verse.verb()))?;
            stdin
                .write_all(&$out.as_bytes())
                .map_err(|_| Mishap::BrokenPipe($verse.verb()))?;
            $out.clear();

            child
        } else {
            Command::new($verse.verb())
                .args($verse.clause())
                .stdout(Stdio::piped())
                .spawn()
                .map_err(|e| match e.kind() {
                    io::ErrorKind::PermissionDenied => Mishap::PermissionDenied($verse.verb()),
                    _ => Mishap::Else($verse.verb()),
                })?
        }
    };
}