pboddupalli_helloworld/
lib.rs

1pub mod math {
2    pub fn add(left: usize, right: usize) -> usize {
3        left + right
4    }
5}
6
7#[cfg(test)]
8mod tests {
9    use super::*;
10
11    #[test]
12    fn it_works() {
13        let result = add(2, 2);
14        assert_eq!(result, 4);
15    }
16}