mirror of
https://github.com/rust-lang/rustlings.git
synced 2026-01-11 13:19:18 +00:00
29 lines
509 B
Rust
29 lines
509 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 {
|
|
($val: expr) => {
|
|
format!("{}{}","Hello ", $val)
|
|
};
|
|
}
|
|
|
|
#[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!");
|
|
}
|
|
}
|