65 lines
1.9 KiB
Rust
65 lines
1.9 KiB
Rust
//@ edition:2021
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#![feature(rustc_attrs)]
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// Test that we can't move out of struct that impls `Drop`.
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use std::rc::Rc;
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// Test that we restrict precision when moving not-`Copy` types, if any of the parent paths
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// implement `Drop`. This is to ensure that we don't move out of a type that implements Drop.
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pub fn test1() {
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struct Foo(Rc<i32>);
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impl Drop for Foo {
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fn drop(self: &mut Foo) {}
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}
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let f = Foo(Rc::new(1));
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let x = #[rustc_capture_analysis] move || {
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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//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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//~| ERROR: First Pass analysis includes:
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//~| ERROR: Min Capture analysis includes:
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println!("{:?}", f.0);
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//~^ NOTE: Capturing f[(0, 0)] -> Immutable
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//~| NOTE: Min Capture f[] -> ByValue
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};
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x();
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}
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// Test that we don't restrict precision when moving `Copy` types(i.e. when copying),
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// even if any of the parent paths implement `Drop`.
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fn test2() {
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struct Character {
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hp: u32,
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name: String,
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}
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impl Drop for Character {
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fn drop(&mut self) {}
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}
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let character = Character { hp: 100, name: format!("A") };
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let c = #[rustc_capture_analysis] move || {
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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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//~| ERROR: First Pass analysis includes:
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//~| ERROR: Min Capture analysis includes:
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println!("{}", character.hp)
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//~^ NOTE: Capturing character[(0, 0)] -> Immutable
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//~| NOTE: Min Capture character[(0, 0)] -> ByValue
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};
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c();
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println!("{}", character.name);
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}
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fn main() {}
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