main/
main.rs

1use my_first_lib_crate::math::add;
2
3#[test]
4fn example_1_2() {
5    let sum = add(1, 2);
6    assert_eq!(sum, 3);
7}
8
9fn main() {
10    let sum = add(1, 1);
11    assert_eq!(sum, 2);
12    println!("sum is: {}", sum);
13}