78 lines
515 B
Rust
78 lines
515 B
Rust
// macros4.rs
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// Make me compile! Scroll down for hints :)
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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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// You only need to add a single character to make this compile.
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// The way macros are written, it wants to see something between each
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// "macro arm", so it can separate them.
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