18 lines
337 B
Rust
18 lines
337 B
Rust
// macros4.rs
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// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a hint.
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#[macro_export]
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macro_rules! my_macro {
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() => {
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println!("Check out my macro!");
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};
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($val:expr) => {
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println!("Look at this other macro: {}", $val);
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};
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}
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fn main() {
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my_macro!();
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my_macro!(7777);
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}
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