| // edition:2021 |
| |
| #![feature(rustc_attrs)] |
| |
| #[derive(Debug)] |
| struct Point { |
| x: String, |
| y: i32, |
| } |
| |
| fn main() { |
| let mut p = Point { x: String::new(), y: 10 }; |
| |
| let c = #[rustc_capture_analysis] |
| //~^ ERROR: attributes on expressions are experimental |
| //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> |
| //~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| || { |
| //~^ First Pass analysis includes: |
| //~| Min Capture analysis includes: |
| let _x = p.x; |
| //~^ NOTE: Capturing p[(0, 0)] -> ByValue |
| //~| NOTE: p[] captured as ByValue here |
| println!("{:?}", p); |
| //~^ NOTE: Capturing p[] -> ImmBorrow |
| //~| NOTE: Min Capture p[] -> ByValue |
| //~| NOTE: p[] used here |
| }; |
| } |