doga_multilingual_greetings/
lib.rs

1pub fn random_greeting() -> &'static str {
2    let greetings = ["안녕하세요", "こんにちは", "你好", "สวัสดีครับ", "Xin chào"];
3    let random_index = fastrand::usize(0..5);
4    greetings[random_index]
5}
6
7#[cfg(test)]
8mod tests {
9    use super::*;
10
11    #[test]
12    fn it_returns_random_greeting() {
13        fastrand::seed(1);
14        let result = random_greeting();
15        assert_eq!(result, "Xin chào");
16    }
17}