rust/src/test/ui/span/borrowck-borrow-overloaded-deref-mut.stderr

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error[E0596]: cannot borrow immutable argument `x` as mutable
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:39:25
|
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LL | fn deref_mut1(x: Own<isize>) {
| - consider changing this to `mut x`
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LL | let __isize = &mut *x; //~ ERROR cannot borrow
| ^ cannot borrow mutably
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error[E0596]: cannot borrow immutable borrowed content `*x` as mutable
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:51:11
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LL | fn deref_extend_mut1<'a>(x: &'a Own<isize>) -> &'a mut isize {
| -------------- use `&'a mut Own<isize>` here to make mutable
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LL | &mut **x //~ ERROR cannot borrow
| ^^ cannot borrow as mutable
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error[E0596]: cannot borrow immutable argument `x` as mutable
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:59:6
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LL | fn assign1<'a>(x: Own<isize>) {
| - consider changing this to `mut x`
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LL | *x = 3; //~ ERROR cannot borrow
| ^ cannot borrow mutably
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error[E0596]: cannot borrow immutable borrowed content `*x` as mutable
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:63:6
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LL | fn assign2<'a>(x: &'a Own<isize>) {
| -------------- use `&'a mut Own<isize>` here to make mutable
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LL | **x = 3; //~ ERROR cannot borrow
| ^^ cannot borrow as mutable
error: aborting due to 4 previous errors
2018-03-03 08:59:40 -06:00
For more information about this error, try `rustc --explain E0596`.