src/test/ui/impl-trait/nested-rpit-with-anonymous-lifetimes.rs

   1 // check-pass
   2
   3 pub struct VecNumber<'s> {
   4     pub vec_number: Vec<Number<'s>>,
   5     pub auxiliary_object: &'s Vec<usize>,
   6 }
   7
   8 pub struct Number<'s> {
   9     pub number: &'s usize,
  10 }
  11
  12 impl<'s> VecNumber<'s> {
  13     pub fn vec_number_iterable_per_item_in_auxiliary_object(
  14         &self,
  15     ) -> impl Iterator<Item = (&'s usize, impl Iterator<Item = &Number<'s>>)> {
  16         self.auxiliary_object.iter().map(move |n| {
  17             let iter_number = self.vec_number.iter();
  18             (n, iter_number)
  19         })
  20     }
  21 }
  22
  23 fn main() {}