rustlings/exercises/quiz4.rs
2022-07-16 22:49:41 +02:00

28 lines
511 B
Rust

// quiz4.rs
// This quiz covers the sections:
// - Modules
// - Macros
// Write a macro that passes the quiz! No hints this time, you can do it!
macro_rules! my_macro {
( $( $x:expr ),* ) => {
$("Hello ".to_owned() + $x)*
};
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_my_macro_world() {
assert_eq!(my_macro!("world!"), "Hello world!");
}
#[test]
fn test_my_macro_goodbye() {
assert_eq!(my_macro!("goodbye!"), "Hello goodbye!");
}
}