rust/tests/ui/coroutine/partial-drop.rs
Oli Scherer aef0f4024a Error on using yield without also using #[coroutine] on the closure
And suggest adding the `#[coroutine]` to the closure
2024-04-24 08:05:29 +00:00

44 lines
782 B
Rust

//@ check-pass
#![feature(negative_impls, coroutines, stmt_expr_attributes)]
struct Foo;
impl !Send for Foo {}
struct Bar {
foo: Foo,
x: i32,
}
fn main() {
assert_send(
#[coroutine]
|| {
let guard = Bar { foo: Foo, x: 42 };
drop(guard.foo);
yield;
},
);
assert_send(
#[coroutine]
|| {
let mut guard = Bar { foo: Foo, x: 42 };
drop(guard);
guard = Bar { foo: Foo, x: 23 };
yield;
},
);
assert_send(
#[coroutine]
|| {
let guard = Bar { foo: Foo, x: 42 };
let Bar { foo, x } = guard;
drop(foo);
yield;
},
);
}
fn assert_send<T: Send>(_: T) {}