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//@ edition:2021
#![feature(rustc_attrs)]
struct Point {
x: i32,
y: i32,
}
fn main() {
let mut p = Point { x: 10, 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//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
|| {
//~^ ERROR First Pass analysis includes:
//~| ERROR Min Capture analysis includes:
println!("{}", p.x);
//~^ NOTE: Capturing p[(0, 0)] -> Immutable
//~| NOTE: Min Capture p[(0, 0)] -> Immutable
};
// `c` should only capture `p.x`, therefore mutating `p.y` is allowed.
let py = &mut p.y;
c();
*py = 20;
}
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