diff options
Diffstat (limited to 'src/test/ui/borrowck/mut-borrow-of-mut-ref.stderr')
-rw-r--r-- | src/test/ui/borrowck/mut-borrow-of-mut-ref.stderr | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/mut-borrow-of-mut-ref.stderr b/src/test/ui/borrowck/mut-borrow-of-mut-ref.stderr new file mode 100644 index 000000000..778204757 --- /dev/null +++ b/src/test/ui/borrowck/mut-borrow-of-mut-ref.stderr @@ -0,0 +1,65 @@ +error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable + --> $DIR/mut-borrow-of-mut-ref.rs:7:7 + | +LL | h(&mut b); + | ^^^^^^ cannot borrow as mutable + | +note: the binding is already a mutable borrow + --> $DIR/mut-borrow-of-mut-ref.rs:4:13 + | +LL | pub fn f(b: &mut i32) { + | ^^^^^^^^ +help: try removing `&mut` here + | +LL - h(&mut b); +LL + h(b); + | + +error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable + --> $DIR/mut-borrow-of-mut-ref.rs:11:12 + | +LL | g(&mut &mut b); + | ^^^^^^ cannot borrow as mutable + | +note: the binding is already a mutable borrow + --> $DIR/mut-borrow-of-mut-ref.rs:4:13 + | +LL | pub fn f(b: &mut i32) { + | ^^^^^^^^ +help: try removing `&mut` here + | +LL - g(&mut &mut b); +LL + g(&mut b); + | + +error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable + --> $DIR/mut-borrow-of-mut-ref.rs:18:12 + | +LL | h(&mut &mut b); + | ^^^^^^ cannot borrow as mutable + | +note: the binding is already a mutable borrow + --> $DIR/mut-borrow-of-mut-ref.rs:17:13 + | +LL | pub fn g(b: &mut i32) { + | ^^^^^^^^ +help: try removing `&mut` here + | +LL - h(&mut &mut b); +LL + h(&mut b); + | + +error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable + --> $DIR/mut-borrow-of-mut-ref.rs:35:5 + | +LL | f.bar(); + | ^^^^^^^ cannot borrow as mutable + | +help: consider making the binding mutable + | +LL | pub fn baz(mut f: &mut String) { + | +++ + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0596`. |