src/test/ui/issues/issue-72554.rs

   1 use std::collections::BTreeSet;
   2
   3 #[derive(Hash)]
   4 pub enum ElemDerived { //~ ERROR recursive type `ElemDerived` has infinite size
   5     A(ElemDerived)
   6 }
   7
   8 pub enum Elem {
   9     Derived(ElemDerived)
  10 }
  11
  12 pub struct Set(BTreeSet<Elem>);
  13
  14 impl Set {
  15     pub fn into_iter(self) -> impl Iterator<Item = Elem> {
  16         self.0.into_iter()
  17     }
  18 }
  19
  20 fn main() {}