lim1988_cargo_demo/lib.rs
1//! lim_cargo-demo
2///在给定的数字上加1
3///
4/// #example
5/// ```
6/// let result = add(2, 2);
7/// assert_eq!(result, 4);
8/// ```
9pub fn add(left: usize, right: usize) -> usize {
10 left + right
11}
12
13#[cfg(test)]
14mod tests {
15 use super::*;
16
17 #[test]
18 fn it_works() {
19 let result = add(2, 2);
20 assert_eq!(result, 4);
21 }
22}