| error[E0282]: type annotations needed for `&(_,)` | |
| --> $DIR/issue-20261.rs:4:11 | |
| | | |
| LL | for (ref i,) in [].iter() { | |
| | --------- the element type for this iterator is not specified | |
| LL | i.clone(); | |
| | ^^^^^ cannot infer type | |
| | | |
| = note: type must be known at this point | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0282`. |