src/test/ui/issues/issue-35668.rs

   1 fn func<'a, T>(a: &'a [T]) -> impl Iterator<Item=&'a T> {
   2     a.iter().map(|a| a*a)
   3     //~^ ERROR cannot multiply `&T` by `&T`
   4 }
   5
   6 fn main() {
   7     let a = (0..30).collect::<Vec<_>>();
   8
   9     for k in func(&a) {
  10         println!("{}", k);
  11     }
  12 }