rust/tests/ui/closures/2229_closure_analysis/simple-struct-min-capture.rs
2024-02-16 20:02:50 +00:00

41 lines
1.0 KiB
Rust

//@ edition:2021
#![feature(rustc_attrs)]
// Test to ensure that min analysis meets capture kind for all paths captured.
#[derive(Debug)]
struct Point {
x: i32,
y: i32,
}
fn main() {
let mut p = Point { x: 10, y: 20 };
//
// Requirements:
// p.x -> MutBoorrow
// p -> ImmBorrow
//
// Requirements met when p is captured via MutBorrow
//
let mut 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//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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:
p.x += 10;
//~^ NOTE: Capturing p[(0, 0)] -> MutBorrow
//~| NOTE: p[] captured as MutBorrow here
println!("{:?}", p);
//~^ NOTE: Capturing p[] -> ImmBorrow
//~| NOTE: Min Capture p[] -> MutBorrow
//~| NOTE: p[] used here
};
c();
}