robi_dev_say_hello/
lib.rs

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