26 lines
703 B
Rust
26 lines
703 B
Rust
//@ edition:2021
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#![feature(rustc_attrs)]
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fn main() {
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let mut t = (10, 10);
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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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//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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|| {
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//~^ First Pass analysis includes:
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//~| Min Capture analysis includes:
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println!("{}", t.0);
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//~^ NOTE: Capturing t[(0, 0)] -> Immutable
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//~| NOTE: Min Capture t[(0, 0)] -> Immutable
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};
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// `c` only captures t.0, therefore mutating t.1 is allowed.
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let t1 = &mut t.1;
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c();
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*t1 = 20;
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}
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