is_send_sync::<Discriminant<Regular>>();
is_send_sync::<Discriminant<NotSendSync>>();
}
-
-#[test]
-fn test_const_forget() {
- const _: () = forget(0i32);
- const _: () = forget(Vec::<Vec<Box<i32>>>::new());
-
- // Writing this function signature without const-forget
- // triggers compiler errors:
- // 1) That we use a non-const fn inside a const fn
- // 2) without the forget, it complains about the destructor of Box
- const fn const_forget_box<T>(x: Box<T>) {
- forget(x);
- }
-
- // Call the forget_box at runtime,
- // as we can't const-construct a box yet.
- const_forget_box(Box::new(0i32));
-}