| error[E0271]: type mismatch resolving `for<'a> <() as Array<'a>>::Element == ()` | |
| --> $DIR/issue-39970.rs:19:5 | |
| | | |
| LL | fn visit() {} | |
| | ---------- required by `Visit::visit` | |
| ... | |
| LL | <() as Visit>::visit(); | |
| | ^^^^^^^^^^^^^^^^^^^^ expected `&()`, found `()` | |
| | | |
| = note: required because of the requirements on the impl of `Visit` for `()` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0271`. |