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: expected type `&()` | |
found type `()` | |
= 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`. |