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[rust.git] / tests / ui / closures / 2229_closure_analysis / capture-disjoint-field-tuple.rs
1 // edition:2021
2
3 #![feature(rustc_attrs)]
4
5 fn main() {
6     let mut t = (10, 10);
7
8     let c = #[rustc_capture_analysis]
9     //~^ ERROR: attributes on expressions are experimental
10     //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
11     || {
12     //~^ First Pass analysis includes:
13     //~| Min Capture analysis includes:
14         println!("{}", t.0);
15         //~^ NOTE: Capturing t[(0, 0)] -> ImmBorrow
16         //~| NOTE: Min Capture t[(0, 0)] -> ImmBorrow
17     };
18
19     // `c` only captures t.0, therefore mutating t.1 is allowed.
20     let t1 = &mut t.1;
21
22     c();
23     *t1 = 20;
24 }