pub mod utils {
pub fn add(left: u8, right: u8) -> u8 {
left + right
}
}
#[cfg(test)]
mod tests {
use crate::utils::add;
#[test]
fn it_works() {
let result = add(1, 1);
assert_eq!(result, 2); }
#[test]
#[should_panic]
fn it_should_panic() {
crate::utils::add(255, 1); }
}