[rustc.git] / src / test / ui / async-await / issue-61949-self-return-type.rs

// edition:2018

// This test checks that `Self` is prohibited as a return type. See #61949 for context.

pub struct Foo<'a> {
    pub bar: &'a i32,
}

impl<'a> Foo<'a> {
    pub async fn new(_bar: &'a i32) -> Self {
    //~^ ERROR `async fn` return type cannot contain a projection or `Self` that references lifetimes from a parent scope
        Foo {
            bar: &22
        }
    }
}

async fn foo() {
    let x = {
        let bar = 22;
        Foo::new(&bar).await
    };
    drop(x);
}

fn main() { }
Commit	Line	Data
e1599b0c XL	1	// edition:2018
	2
	3	// This test checks that `Self` is prohibited as a return type. See #61949 for context.
	4
	5	pub struct Foo<'a> {
	6	pub bar: &'a i32,
	7	}
	8
	9	impl<'a> Foo<'a> {
	10	pub async fn new(_bar: &'a i32) -> Self {
	11	//~^ ERROR `async fn` return type cannot contain a projection or `Self` that references lifetimes from a parent scope
	12	Foo {
	13	bar: &22
	14	}
	15	}
	16	}
	17
	18	async fn foo() {
	19	let x = {
	20	let bar = 22;
	21	Foo::new(&bar).await
	22	};
	23	drop(x);
	24	}
	25
	26	fn main() { }