#[macro_export]
macro_rules! or_continue {
    ( $e:expr ) => {{
        if let Some(x) = $e {
            x
        } else {
            continue;
        }
    }};
}

#[macro_export]
macro_rules! or_break {
    ( $e:expr ) => {{
        if let Some(x) = $e {
            x
        } else {
            break;
        }
    }};
}