rustlings/exercises/macros/macros4.rs

20 lines
354 B
Rust
Raw Normal View History

2018-02-22 06:09:53 +00:00
// macros4.rs
2022-07-15 10:05:26 +00:00
// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a hint.
2017-03-17 14:47:45 +00:00
// I AM NOT DONE
#[rustfmt::skip]
2017-03-17 14:47:45 +00:00
macro_rules! my_macro {
() => {
println!("Check out my macro!");
}
2017-03-17 14:47:45 +00:00
($val:expr) => {
println!("Look at this other macro: {}", $val);
}
2017-03-17 14:47:45 +00:00
}
fn main() {
my_macro!();
my_macro!(7777);
}