mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 08:13:41 +00:00
46 lines
1.4 KiB
Rust
46 lines
1.4 KiB
Rust
// run-rustfix
|
|
|
|
fn expect<T>(_: T) {}
|
|
|
|
fn main() {
|
|
let x = Some(&());
|
|
expect::<Option<()>>(x.copied());
|
|
//~^ ERROR mismatched types
|
|
//~| HELP use `Option::copied` to copy the value inside the `Option`
|
|
let x = Ok(&());
|
|
expect::<Result<(), ()>>(x.copied());
|
|
//~^ 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.cloned());
|
|
//~^ ERROR mismatched types
|
|
//~| HELP use `Option::cloned` to clone the value inside the `Option`
|
|
let x = Ok(&s);
|
|
expect::<Result<String, ()>>(x.cloned());
|
|
//~^ ERROR mismatched types
|
|
//~| HELP use `Result::cloned` to clone the value inside the `Result`
|
|
|
|
let s = String::new();
|
|
let x = Some(s.clone());
|
|
let y = Some(&s);
|
|
println!("{}", x.as_ref() == y);
|
|
//~^ ERROR mismatched types
|
|
//~| HELP use `Option::as_ref` to convert `Option<String>` to `Option<&String>`
|
|
|
|
|
|
let mut s = ();
|
|
let x = Some(s);
|
|
let y = Some(&mut s);
|
|
println!("{}", x == y.copied());
|
|
//~^ ERROR mismatched types
|
|
//~| HELP use `Option::copied` to copy the value inside the `Option`
|
|
|
|
let mut s = String::new();
|
|
let x = Some(s.clone());
|
|
let y = Some(&mut s);
|
|
println!("{}", x == y.cloned());
|
|
//~^ ERROR mismatched types
|
|
//~| HELP use `Option::cloned` to clone the value inside the `Option`
|
|
}
|