rust/tests/ui/closures/2229_closure_analysis/capture-analysis-2.rs
2023-01-11 09:32:08 +00:00

29 lines
718 B
Rust

// 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>
|| {
//~^ 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
};
}