| error[E0502]: cannot borrow `u` (via `u.y`) as immutable because it is also borrowed as mutable (via `u.x.0`) |
| --> $DIR/union-borrow-move-parent-sibling.rs:53:13 |
| | |
| LL | let a = &mut u.x.0; |
| | ---------- mutable borrow occurs here (via `u.x.0`) |
| LL | let b = &u.y; |
| | ^^^^ immutable borrow of `u.y` -- which overlaps with `u.x.0` -- occurs here |
| LL | use_borrow(a); |
| | - mutable borrow later used here |
| | |
| = note: `u.y` is a field of the union `U`, so it overlaps the field `u.x.0` |
| |
| error[E0382]: use of moved value: `u` |
| --> $DIR/union-borrow-move-parent-sibling.rs:60:13 |
| | |
| LL | let u = U { x: ((MockVec::new(), MockVec::new()), MockVec::new()) }; |
| | - move occurs because `u` has type `U`, which does not implement the `Copy` trait |
| LL | let a = u.x.0; |
| | ----- value moved here |
| LL | let b = u.y; |
| | ^^^ value used here after move |
| |
| error[E0502]: cannot borrow `u` (via `u.y`) as immutable because it is also borrowed as mutable (via `u.x.0.0`) |
| --> $DIR/union-borrow-move-parent-sibling.rs:66:13 |
| | |
| LL | let a = &mut (u.x.0).0; |
| | -------------- mutable borrow occurs here (via `u.x.0.0`) |
| LL | let b = &u.y; |
| | ^^^^ immutable borrow of `u.y` -- which overlaps with `u.x.0.0` -- occurs here |
| LL | use_borrow(a); |
| | - mutable borrow later used here |
| | |
| = note: `u.y` is a field of the union `U`, so it overlaps the field `u.x.0.0` |
| |
| error[E0382]: use of moved value: `u` |
| --> $DIR/union-borrow-move-parent-sibling.rs:73:13 |
| | |
| LL | let u = U { x: ((MockVec::new(), MockVec::new()), MockVec::new()) }; |
| | - move occurs because `u` has type `U`, which does not implement the `Copy` trait |
| LL | let a = (u.x.0).0; |
| | --------- value moved here |
| LL | let b = u.y; |
| | ^^^ value used here after move |
| |
| error[E0502]: cannot borrow `u` (via `u.x`) as immutable because it is also borrowed as mutable (via `u.y`) |
| --> $DIR/union-borrow-move-parent-sibling.rs:79:13 |
| | |
| LL | let a = &mut *u.y; |
| | --- mutable borrow occurs here (via `u.y`) |
| LL | let b = &u.x; |
| | ^^^^ immutable borrow of `u.x` -- which overlaps with `u.y` -- occurs here |
| LL | use_borrow(a); |
| | - mutable borrow later used here |
| | |
| = note: `u.x` is a field of the union `U`, so it overlaps the field `u.y` |
| |
| error: aborting due to 5 previous errors |
| |
| Some errors have detailed explanations: E0382, E0502. |
| For more information about an error, try `rustc --explain E0382`. |