mtl_say_hello/
lib.rs

1#[cfg(feature = "hello")]
2pub fn say_hello(name: &str) -> String {
3    format!("Hello, {}", name)
4}
5
6#[cfg(feature = "hello")]
7pub fn say_hello_to_everyone() -> String {
8    String::from("Hello, everyone!")
9}
10
11#[cfg(feature = "bye")]
12pub fn say_goodbye(name: &str) -> String {
13    format!("Goodbyte, {}", name)
14}
15
16#[cfg(feature = "bye")]
17pub fn say_goodbye_to_everyone() -> String {
18    String::from("Goodbye, everyone!")
19}