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// edition:2021
#![feature(rustc_attrs)]
// Test that we can't move out of struct that impls `Drop`.
use std::rc::Rc;
// Test that we restrict precision when moving not-`Copy` types, if any of the parent paths
// implement `Drop`. This is to ensure that we don't move out of a type that implements Drop.
pub fn test1() {
struct Foo(Rc<i32>);
impl Drop for Foo {
fn drop(self: &mut Foo) {}
}
let f = Foo(Rc::new(1));
let x = #[rustc_capture_analysis] move || {
//~^ ERROR: attributes on expressions are experimental
//~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
//~| ERROR: First Pass analysis includes:
//~| ERROR: Min Capture analysis includes:
println!("{:?}", f.0);
//~^ NOTE: Capturing f[(0, 0)] -> ImmBorrow
//~| NOTE: Min Capture f[] -> ByValue
};
x();
}
// Test that we don't restrict precision when moving `Copy` types(i.e. when copying),
// even if any of the parent paths implement `Drop`.
fn test2() {
struct Character {
hp: u32,
name: String,
}
impl Drop for Character {
fn drop(&mut self) {}
}
let character = Character { hp: 100, name: format!("A") };
let c = #[rustc_capture_analysis] move || {
//~^ ERROR: attributes on expressions are experimental
//~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
//~| ERROR: First Pass analysis includes:
//~| ERROR: Min Capture analysis includes:
println!("{}", character.hp)
//~^ NOTE: Capturing character[(0, 0)] -> ImmBorrow
//~| NOTE: Min Capture character[(0, 0)] -> ByValue
};
c();
println!("{}", character.name);
}
fn main() {}
|
