tests/ui/regions/regions-infer-call-2.rs

   1 // run-pass
   2
   3 fn takes_two(x: &isize, y: &isize) -> isize { *x + *y }
   4
   5 fn with<T, F>(f: F) -> T where F: FnOnce(&isize) -> T {
   6     f(&20)
   7 }
   8
   9 fn has_one<'a>(x: &'a isize) -> isize {
  10     with(|y| takes_two(x, y))
  11 }
  12
  13 pub fn main() {
  14     assert_eq!(has_one(&2), 22);
  15 }