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 |     <() as Visit>::visit();
   5    |     ^^^^^^^^^^^^^^^^^^^^ expected `()`, found `&()`
   6    |
   7 note: required because of the requirements on the impl of `Visit` for `()`
   8   --> $DIR/issue-39970.rs:13:6
   9    |
  10 LL | impl Visit for () where
  11    |      ^^^^^     ^^
  12 note: required by `Visit::visit`
  13   --> $DIR/issue-39970.rs:6:5
  14    |
  15 LL |     fn visit() {}
  16    |     ^^^^^^^^^^
  17
  18 error: aborting due to previous error
  19
  20 For more information about this error, try `rustc --explain E0271`.