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18 lines
236 B
Rust
18 lines
236 B
Rust
// run-pass
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pub fn increment(x: usize) -> usize {
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x + 1
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}
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#[macro_export]
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macro_rules! increment {
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($x:expr) => ({
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use $crate::increment;
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increment($x)
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})
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}
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fn main() {
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assert_eq!(increment!(3), 4);
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}
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