rustlings/exercises/21_macros/macros4.rs
2024-07-01 11:54:05 +02:00

16 lines
303 B
Rust

// TODO: Fix the compiler error by adding one or two characters.
#[rustfmt::skip]
macro_rules! my_macro {
() => {
println!("Check out my macro!");
}
($val:expr) => {
println!("Look at this other macro: {}", $val);
}
}
fn main() {
my_macro!();
my_macro!(7777);
}