rust/tests/ui/suggestions/copied-and-cloned.rs
2023-01-11 09:32:08 +00:00

24 lines
720 B
Rust

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