13 lines
256 B
Rust
13 lines
256 B
Rust
fn foo(a: Option<usize>, b: Option<usize>) {
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match (a,b) {
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//~^ ERROR: non-exhaustive patterns: `(None, None)` not covered
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(Some(a), Some(b)) if a == b => { }
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(Some(_), None) |
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(None, Some(_)) => { }
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}
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}
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fn main() {
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foo(None, None);
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}
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