today_utils/lib.rs
1#[cfg(test)]
2mod tests {
3 #[test]
4 fn it_works() {
5 let arg = 5;
6 let answer = crate::add_one(arg);
7 assert_eq!(6, answer);
8 }
9}
10
11/// 加一操作
12///
13/// # 例子
14///
15/// ```
16/// let arg = 5;
17/// let answer = today_utils::add_one(arg);
18///
19/// assert_eq!(6, answer);
20/// ```
21pub fn add_one(x: i32) -> i32 {
22 x + 1
23}