11 lines
181 B
Rust
11 lines
181 B
Rust
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// check-pass
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pub fn keys<'a>(x: &'a Result<u32, u32>) -> impl std::fmt::Debug + 'a {
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match x {
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Ok(map) => Ok(map),
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Err(map) => Err(map),
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}
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}
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fn main() {}
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