14 lines
251 B
Rust
14 lines
251 B
Rust
fn foo(x: Option<~int>, b: bool) -> int {
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match x {
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None => { 1 }
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Some(copy x) if b => { *x }
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Some(_) => { 0 }
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}
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}
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fn main() {
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foo(Some(~22), true);
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foo(Some(~22), false);
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foo(None, true);
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foo(None, false);
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} |