tests/ui/conservative_impl_trait.stderr

   1 error[E0277]: `()` is not an iterator
   2   --> $DIR/conservative_impl_trait.rs:3:33
   3    |
   4 LL | fn will_ice(something: &u32) -> impl Iterator<Item = &u32> {
   5    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator
   6    |
   7    = help: the trait `Iterator` is not implemented for `()`
   8
   9 error: aborting due to previous error
  10
  11 For more information about this error, try `rustc --explain E0277`.