src/test/ui/suggestions/impl-trait-missing-lifetime.stderr

   1 error[E0106]: missing lifetime specifier
   2   --> $DIR/impl-trait-missing-lifetime.rs:1:31
   3    |
   4 LL | fn f(_: impl Iterator<Item = &'_ ()>) {}
   5    |                               ^^ expected named lifetime parameter
   6    |
   7 help: consider introducing a named lifetime parameter
   8    |
   9 LL | fn f<'a>(_: impl Iterator<Item = &'a ()>) {}
  10    |     ++++                          ~~
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0106`.