Macro make_error 

macro_rules! make_error {
    (
        $notes:ident, 
        $type:expr,
        $message:expr,
        $number:literal of
            $( $content:expr ),* $(,)?
    ) => { ... };
    (
        $type:expr,
        $message:expr,
        $number:literal of
            $( $content:expr ),* $(,)?
    ) => { ... };
}