rustlings/exercises/macros/macros4.rs

22 lines
365 B
Rust

// macros4.rs
//
// Make me compile!
//
// If you need help, open the corresponding README.md or run: rustlings hint macros4
// I AM NOT DONE
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);
}