src/test/ui/closures/2229_closure_analysis/run_pass/edition.rs

   1 // edition:2021
   2 // run-pass
   3
   4 // Test that edition 2021 enables disjoint capture by default.
   5
   6 struct Point {
   7     x: i32,
   8     y: i32,
   9 }
  10
  11 fn main() {
  12     let mut p = Point { x: 10, y: 10 };
  13
  14     let c = || {
  15         println!("{}", p.x);
  16     };
  17
  18     // `c` should only capture `p.x`, therefore mutating `p.y` is allowed.
  19     let py = &mut p.y;
  20
  21     c();
  22     *py = 20;
  23 }