error[E0277]: `()` is not an iterator | |
--> $DIR/conservative_impl_trait.rs:3:33 | |
| | |
LL | fn will_ice(something: &u32) -> impl Iterator<Item = &u32> { | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator | |
| | |
= help: the trait `std::iter::Iterator` is not implemented for `()` | |
= note: the return type of a function must have a statically known size | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0277`. |