mirror of https://github.com/rust-lang/rust
58 lines
1.7 KiB
Rust
58 lines
1.7 KiB
Rust
//@ run-rustfix
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fn expect<T>(_: T) {}
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struct Issue114925 {
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x: Option<String>,
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}
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fn issue_114925(lol: &mut Issue114925, x: Option<&String>) {
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lol.x = x.clone();
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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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}
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fn main() {
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let x = Some(&());
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expect::<Option<()>>(x);
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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);
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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);
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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);
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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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let s = String::new();
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let x = Some(s.clone());
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let y = Some(&s);
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println!("{}", x == y);
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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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//FIXME(#114050) ~| HELP use `Option::as_ref` to convert `Option<String>` to `Option<&String>`
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let mut s = ();
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let x = Some(s);
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let y = Some(&mut s);
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println!("{}", x == y);
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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 mut s = String::new();
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let x = Some(s.clone());
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let y = Some(&mut s);
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println!("{}", x == y);
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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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issue_114925(&mut Issue114925 { x: None }, None);
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}
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