| error[E0282]: type annotations needed | |
| --> $DIR/ambiguous-arg.rs:9:25 | |
| | | |
| LL | async |check, a, b| { | |
| | _________________________^ | |
| LL | | | |
| LL | | temp.abs_diff(12); | |
| LL | | }; | |
| | |_____^ cannot infer type | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0282`. |