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Hints are now accessible using the CLI subcommand `rustlings hint <exercise name`. BREAKING CHANGE: This fundamentally changes the way people interact with exercises.
16 lines
302 B
Rust
16 lines
302 B
Rust
// macros4.rs
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// Make me compile! Execute `rustlings hint macros4` 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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