tests/ui/closures/2229_closure_analysis/capture-analysis-1.rs

   1 // edition:2021
   2
   3 #![feature(rustc_attrs)]
   4
   5 #[derive(Debug)]
   6 struct Point {
   7     x: i32,
   8     y: i32,
   9 }
  10
  11 fn main() {
  12     let p = Point { x: 10, y: 10 };
  13     let q = Point { x: 10, y: 10 };
  14
  15     let c = #[rustc_capture_analysis]
  16     //~^ ERROR: attributes on expressions are experimental
  17     //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
  18     || {
  19     //~^ First Pass analysis includes:
  20     //~| Min Capture analysis includes:
  21         println!("{:?}", p);
  22         //~^ NOTE: Capturing p[] -> ImmBorrow
  23         //~| NOTE: Min Capture p[] -> ImmBorrow
  24         println!("{:?}", p.x);
  25         //~^ NOTE: Capturing p[(0, 0)] -> ImmBorrow
  26
  27         println!("{:?}", q.x);
  28         //~^ NOTE: Capturing q[(0, 0)] -> ImmBorrow
  29         println!("{:?}", q);
  30         //~^ NOTE: Capturing q[] -> ImmBorrow
  31         //~| NOTE: Min Capture q[] -> ImmBorrow
  32     };
  33 }