14 lines
184 B
Rust
14 lines
184 B
Rust
enum Q { R(Option<uint>) }
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fn xyzzy(q: Q) -> uint {
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match q {
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R(S) if S.is_some() => { 0 }
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_ => 1
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}
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}
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pub fn main() {
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assert!(xyzzy(R(Some(5))) == 0);
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}
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