learn_say_hello_pemudakoding/
lib.rs

1pub fn say_hello(name: &str) -> String {
2    format!("Hello, {}!", name)
3}
4
5pub fn say_hello_to_everyone() -> String {
6    "Hello, everyone!".to_string()
7}
8
9pub fn say_goodbye(name: &str) -> String {
10    format!("Goodbye, {}!", name)
11}
12
13pub fn say_goodbye_to_everyone() -> String {
14    "Hello, everyone!".to_string()
15}