rusty_rails/
lib.rs

1pub fn add(a: i32, b: i32) -> i32 {
2    a + b
3}
4
5#[cfg(test)]
6mod tests {
7    use super::*;
8
9    #[test]
10    fn it_works() {
11        assert_eq!(add(3, 8), 11);
12        assert_eq!(add(3, -3), 0);
13        assert_eq!(add(5, -10), -5);
14    }
15}