| error[E0369]: binary operation `+` cannot be applied to type `()` | |
| --> $DIR/for-loop-type-error.rs:2:16 | |
| | | |
| LL | let x = () + (); | |
| | -- ^ -- () | |
| | | | |
| | () | |
| | | |
| = note: an implementation of `std::ops::Add` might be missing for `()` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0369`. |