src/test/ui/impl-trait/issues/issue-52128.rs

   1 // check-pass
   2
   3 #![deny(warnings)]
   4
   5 use std::collections::BTreeMap;
   6
   7 pub struct RangeMap {
   8     map: BTreeMap<Range, u8>,
   9 }
  10
  11 #[derive(Eq, PartialEq, Ord, PartialOrd)]
  12 struct Range;
  13
  14 impl RangeMap {
  15     fn iter_with_range<'a>(&'a self) -> impl Iterator<Item = (&'a Range, &'a u8)> + 'a {
  16         self.map.range(Range..Range)
  17     }
  18
  19     pub fn iter<'a>(&'a self) -> impl Iterator<Item = &'a u8> + 'a {
  20         self.iter_with_range().map(|(_, data)| data)
  21     }
  22
  23 }
  24
  25 fn main() {}