2023-06-21 12:21:56 +09:30

20 lines
354 B
Rust
Executable File

// macros4.rs
// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
#[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);
}