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15 lines
234 B
Rust
15 lines
234 B
Rust
//@ edition:2018
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trait Test<T> {
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fn is_some(self: T); //~ ERROR invalid `self` parameter type
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}
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async fn f() {
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let x = Some(2);
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if x.is_some() { //~ ERROR mismatched types
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println!("Some");
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}
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}
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fn main() {}
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