| fn f1<'a>(_: &'a mut ()) {} | |
| fn f2<P>(_: P, _: ()) {} | |
| fn f3<'a>(x: &'a ((), &'a mut ())) { | |
| f2(|| x.0, f1(x.1)) | |
| //~^ ERROR cannot borrow `*x.1` as mutable, as it is behind a `&` reference | |
| //~| ERROR cannot borrow `*x.1` as mutable because it is also borrowed as immutable | |
| } | |
| fn main() {} |