[rustc.git] / src / test / ui / closures / 2229_closure_analysis / capture-analysis-2.rs

// 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
    };
}
Commit	Line	Data
136023e0 XL	1	// edition:2021
136023e0 XL	2
5869c6ff XL	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	}