src/test/ui/exterior.rs

   1 // run-pass
   2
   3 #![allow(dead_code)]
   4
   5
   6 use std::cell::Cell;
   7
   8 #[derive(Copy, Clone)]
   9 struct Point {x: isize, y: isize, z: isize}
  10
  11 fn f(p: &Cell<Point>) {
  12     assert_eq!(p.get().z, 12);
  13     p.set(Point {x: 10, y: 11, z: 13});
  14     assert_eq!(p.get().z, 13);
  15 }
  16
  17 pub fn main() {
  18     let a: Point = Point {x: 10, y: 11, z: 12};
  19     let b: &Cell<Point> = &Cell::new(a);
  20     assert_eq!(b.get().z, 12);
  21     f(b);
  22     assert_eq!(a.z, 12);
  23     assert_eq!(b.get().z, 13);
  24 }