Macro gety 

macro_rules! gety {
    ($t:ty; $lhs:expr, $rhs:expr, $( $args:expr ),+) => { ... };
    ($t:ty; $lhs:expr, $rhs:expr) => { ... };
}

greater than or equal with type cast

Example

assert!(gety!(u32, 5, 4.0, 3, 2, 2));