mirror of
https://github.com/rust-lang/rustlings
synced 2024-11-14 16:37:14 +00:00
18 lines
337 B
Rust
18 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);
|
|
}
|