mirror of
https://github.com/notohh/rustlings.git
synced 2024-11-22 05:52:23 -05:00
19 lines
342 B
Rust
19 lines
342 B
Rust
// macros4.rs
|
|
//
|
|
// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a
|
|
// hint.
|
|
|
|
#[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);
|
|
}
|