src/test/ui/issues/issue-39970.stderr

   1 error[E0271]: type mismatch resolving `for<'a> <() as Array<'a>>::Element == ()`
   2   --> $DIR/issue-39970.rs:19:5
   3    |
   4 LL |     fn visit() {}
   5    |     ---------- required by `Visit::visit`
   6 ...
   7 LL |     <() as Visit>::visit();
   8    |     ^^^^^^^^^^^^^^^^^^^^ expected `&()`, found `()`
   9    |
  10    = note: required because of the requirements on the impl of `Visit` for `()`
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0271`.