tests/ui/closures/2229_closure_analysis/capture-analysis-2.rs

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