wangzy97lib/utils/
mod.rs

1pub fn it_works() {
2    println!("It works! a voice comes from mylib::utils::it_works")
3}
4
5pub fn add_class(id : i32) {
6    println!("We set up a new class {}.", id)
7}
8
9pub fn add_student(name: &str) {
10    println!("Here comes a new student {}. ", name)
11}
12
13pub fn take_attendance() {
14    println!("Class 1 have 3 student, There are Allen, Steven, Mark, ")
15}