| error[E0282]: type annotations needed for `Result<(), E>` | |
| --> $DIR/cannot-infer-closure-circular.rs:7:14 | |
| | | |
| LL | let x = |r| { | |
| | ^ | |
| LL | let v = r?; | |
| LL | Ok(v) | |
| | ----- type must be known at this point | |
| | | |
| help: consider giving this closure parameter an explicit type, where the type for type parameter `E` is specified | |
| | | |
| LL | let x = |r: Result<(), E>| { | |
| | +++++++++++++++ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0282`. |