35 lines
926 B
Rust
35 lines
926 B
Rust
// edition:2021
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#![feature(rustc_attrs)]
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#[derive(Debug)]
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struct Child {
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c: String,
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d: String,
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}
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#[derive(Debug)]
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struct Parent {
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b: Child,
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}
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fn main() {
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let mut a = Parent { b: Child {c: String::new(), d: String::new()} };
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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//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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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let _x = a.b.c;
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//~^ NOTE: Capturing a[(0, 0),(0, 0)] -> ByValue
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//~| NOTE: a[(0, 0)] captured as ByValue here
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println!("{:?}", a.b);
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//~^ NOTE: Capturing a[(0, 0)] -> ImmBorrow
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//~| NOTE: Min Capture a[(0, 0)] -> ByValue
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//~| NOTE: a[(0, 0)] used here
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};
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}
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