24 lines
756 B
Rust
24 lines
756 B
Rust
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// run-rustfix
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fn expect<T>(_: T) {}
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fn main() {
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let x = Some(&());
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expect::<Option<()>>(x.copied());
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//~^ ERROR mismatched types
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//~| HELP use `Option::copied` to copy the value inside the `Option`
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let x = Ok(&());
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expect::<Result<(), ()>>(x.copied());
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//~^ ERROR mismatched types
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//~| HELP use `Result::copied` to copy the value inside the `Result`
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let s = String::new();
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let x = Some(&s);
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expect::<Option<String>>(x.cloned());
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//~^ ERROR mismatched types
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//~| HELP use `Option::cloned` to clone the value inside the `Option`
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let x = Ok(&s);
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expect::<Result<String, ()>>(x.cloned());
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//~^ ERROR mismatched types
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//~| HELP use `Result::cloned` to clone the value inside the `Result`
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}
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