tests/ui/coroutine/partial-drop.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

// check-pass
#![feature(negative_impls, coroutines)]

struct Foo;
impl !Send for Foo {}

struct Bar {
    foo: Foo,
    x: i32,
}

fn main() {
    assert_send(|| {
        let guard = Bar { foo: Foo, x: 42 };
        drop(guard.foo);
        yield;
    });

    assert_send(|| {
        let mut guard = Bar { foo: Foo, x: 42 };
        drop(guard);
        guard = Bar { foo: Foo, x: 23 };
        yield;
    });

    assert_send(|| {
        let guard = Bar { foo: Foo, x: 42 };
        let Bar { foo, x } = guard;
        drop(foo);
        yield;
    });
}

fn assert_send<T: Send>(_: T) {}