lib_test/
lib.rs

1/// 将给定的数字加一
2///
3/// # Examples
4///
5/// ```
6/// let arg = 5;
7/// let answer = lib_test::add_one(arg);
8///
9/// assert_eq!(6, answer);
10/// ```
11pub fn add_one(x: i32) -> i32 {
12    x + 1
13}