diff options
Diffstat (limited to 'src/test/ui/borrowck/borrowck-union-borrow.rs')
-rw-r--r-- | src/test/ui/borrowck/borrowck-union-borrow.rs | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/test/ui/borrowck/borrowck-union-borrow.rs b/src/test/ui/borrowck/borrowck-union-borrow.rs deleted file mode 100644 index f01915398..000000000 --- a/src/test/ui/borrowck/borrowck-union-borrow.rs +++ /dev/null @@ -1,96 +0,0 @@ -#[derive(Clone, Copy)] -union U { - a: u8, - b: u64, -} - -fn main() { - unsafe { - let mut u = U { b: 0 }; - // Imm borrow, same field - { - let ra = &u.a; - let ra2 = &u.a; // OK - drop(ra); - } - { - let ra = &u.a; - let a = u.a; // OK - drop(ra); - } - { - let ra = &u.a; - let rma = &mut u.a; //~ ERROR cannot borrow `u.a` as mutable because it is also borrowed as immutable - drop(ra); - } - { - let ra = &u.a; - u.a = 1; //~ ERROR cannot assign to `u.a` because it is borrowed - drop(ra); - } - // Imm borrow, other field - { - let ra = &u.a; - let rb = &u.b; // OK - drop(ra); - } - { - let ra = &u.a; - let b = u.b; // OK - drop(ra); - } - { - let ra = &u.a; - let rmb = &mut u.b; //~ ERROR cannot borrow `u` (via `u.b`) as mutable because it is also borrowed as immutable (via `u.a`) - drop(ra); - } - { - let ra = &u.a; - u.b = 1; //~ ERROR cannot assign to `u.b` because it is borrowed - drop(ra); - } - // Mut borrow, same field - { - let rma = &mut u.a; - let ra = &u.a; //~ ERROR cannot borrow `u.a` as immutable because it is also borrowed as mutable - drop(rma); - } - { - let ra = &mut u.a; - let a = u.a; //~ ERROR cannot use `u.a` because it was mutably borrowed - drop(ra); - } - { - let rma = &mut u.a; - let rma2 = &mut u.a; //~ ERROR cannot borrow `u.a` as mutable more than once at a time - drop(rma); - } - { - let rma = &mut u.a; - u.a = 1; //~ ERROR cannot assign to `u.a` because it is borrowed - drop(rma); - } - // Mut borrow, other field - { - let rma = &mut u.a; - let rb = &u.b; //~ ERROR cannot borrow `u` (via `u.b`) as immutable because it is also borrowed as mutable (via `u.a`) - drop(rma); - } - { - let ra = &mut u.a; - let b = u.b; //~ ERROR cannot use `u.b` because it was mutably borrowed - - drop(ra); - } - { - let rma = &mut u.a; - let rmb2 = &mut u.b; //~ ERROR cannot borrow `u` (via `u.b`) as mutable more than once at a time - drop(rma); - } - { - let rma = &mut u.a; - u.b = 1; //~ ERROR cannot assign to `u.b` because it is borrowed - drop(rma); - } - } -} |