| error[E0282]: type annotations needed for `std::option::Option<_>` |
| --> $DIR/issue-42234-unknown-receiver-type.rs:7:7 |
| | |
| LL | let x: Option<_> = None; |
| | - consider giving `x` the explicit type `std::option::Option<_>`, where the type parameter `T` is specified |
| LL | x.unwrap().method_that_could_exist_on_some_type(); |
| | ^^^^^^ cannot infer type for type parameter `T` |
| | |
| = note: type must be known at this point |
| |
| error[E0282]: type annotations needed |
| --> $DIR/issue-42234-unknown-receiver-type.rs:13:10 |
| | |
| LL | .sum::<_>() |
| | ^^^ cannot infer type |
| | |
| = note: type must be known at this point |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0282`. |