rustlings/exercises/test4.rs
2019-11-11 15:47:24 +08:00

17 lines
342 B
Rust

// test4.rs
// This test covers the sections:
// - Modules
// - Macros
macro_rules! my_macro {
($val:expr) => {
format!("Hello {}", $val);
};
}
// Write a macro that passes the test! No hints this time, you can do it!
fn main() {
if my_macro!("world!") != "Hello world!" {
panic!("Oh no! Wrong output!");
}
}