rustlings/exercises/macros/macros4.rs
2023-02-26 17:28:24 +01:00

19 lines
337 B
Rust

// macros4.rs
// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a hint.
// 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);
}