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
+ //
+ // FIXME: this method cannot be called in const-eval yet, as Box isn't
+ // const constructable
+ #[allow(unused)]
+ const fn const_forget_box<T: ?Sized>(x: Box<T>) {
+ forget(x);
+ }
}