51 lines
1.1 KiB
Rust
51 lines
1.1 KiB
Rust
// edition:2021
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#![feature(rustc_attrs)]
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#![allow(unused)]
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#[derive(Debug)]
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struct Point {
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x: i32,
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y: i32,
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}
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#[derive(Debug)]
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struct Line {
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p: Point,
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q: Point
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}
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#[derive(Debug)]
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struct Plane {
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a: Line,
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b: Line,
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}
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fn main() {
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let mut p = Plane {
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a: Line {
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p: Point { x: 1,y: 2 },
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q: Point { x: 3,y: 4 },
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},
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b: Line {
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p: Point { x: 1,y: 2 },
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q: Point { x: 3,y: 4 },
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}
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};
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let c = #[rustc_capture_analysis]
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//~^ ERROR: attributes on expressions are experimental
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//~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
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|| {
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//~^ ERROR: First Pass analysis includes:
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//~| ERROR: Min Capture analysis includes:
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let x = &p.a.p.x;
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//~^ NOTE: Capturing p[(0, 0),(0, 0),(0, 0)] -> ImmBorrow
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p.b.q.y = 9;
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//~^ NOTE: Capturing p[(1, 0),(1, 0),(1, 0)] -> MutBorrow
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//~| NOTE: p[] captured as MutBorrow here
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println!("{:?}", p);
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//~^ NOTE: Capturing p[] -> ImmBorrow
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//~| NOTE: Min Capture p[] -> MutBorrow
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//~| NOTE: p[] used here
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};
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}
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