// 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); 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 //~| 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 //~| 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() {}