065454dd1d
```
error[E0507]: cannot move out of `val`, a captured variable in an `FnMut` closure
--> $DIR/issue-87456-point-to-closure.rs:10:28
|
LL | let val = String::new();
| --- captured outer variable
LL |
LL | take_mut(|| {
| -- captured by this `FnMut` closure
LL |
LL | let _foo: String = val;
| ^^^ move occurs because `val` has type `String`, which does not implement the `Copy` trait
|
help: consider borrowing here
|
LL | let _foo: String = &val;
| +
help: consider cloning the value if the performance cost is acceptable
|
LL | let _foo: String = val.clone();
| ++++++++
```
138 lines
4.2 KiB
Plaintext
138 lines
4.2 KiB
Plaintext
error[E0506]: cannot assign to `vec[_]` because it is borrowed
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:9:13
|
|
|
|
|
LL | [box ref _a, _, _] => {
|
|
| ------ `vec[_]` is borrowed here
|
|
LL |
|
|
LL | vec[0] = Box::new(4);
|
|
| ^^^^^^ `vec[_]` is assigned to here but it was already borrowed
|
|
LL |
|
|
LL | _a.use_ref();
|
|
| -- borrow later used here
|
|
|
|
error[E0506]: cannot assign to `vec[_]` because it is borrowed
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:23:13
|
|
|
|
|
LL | &mut [ref _b @ ..] => {
|
|
| ------ `vec[_]` is borrowed here
|
|
LL |
|
|
LL | vec[0] = Box::new(4);
|
|
| ^^^^^^ `vec[_]` is assigned to here but it was already borrowed
|
|
LL |
|
|
LL | _b.use_ref();
|
|
| -- borrow later used here
|
|
|
|
error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:34:11
|
|
|
|
|
LL | match vec {
|
|
| ^^^ cannot move out of here
|
|
...
|
|
LL | &mut [_a,
|
|
| --
|
|
| |
|
|
| data moved here
|
|
| move occurs because `_a` has type `Box<isize>`, which does not implement the `Copy` trait
|
|
|
|
|
help: consider removing the mutable borrow
|
|
|
|
|
LL - &mut [_a,
|
|
LL + [_a,
|
|
|
|
|
|
|
error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:46:13
|
|
|
|
|
LL | let a = vec[0];
|
|
| ^^^^^^
|
|
| |
|
|
| cannot move out of here
|
|
| move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait
|
|
|
|
|
help: consider borrowing here
|
|
|
|
|
LL | let a = &vec[0];
|
|
| +
|
|
help: consider cloning the value if the performance cost is acceptable
|
|
|
|
|
LL | let a = vec[0].clone();
|
|
| ++++++++
|
|
|
|
error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:56:11
|
|
|
|
|
LL | match vec {
|
|
| ^^^ cannot move out of here
|
|
...
|
|
LL | _b] => {}
|
|
| --
|
|
| |
|
|
| data moved here
|
|
| move occurs because `_b` has type `Box<isize>`, which does not implement the `Copy` trait
|
|
|
|
|
help: consider removing the mutable borrow
|
|
|
|
|
LL - &mut [
|
|
LL + [
|
|
|
|
|
|
|
error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:66:13
|
|
|
|
|
LL | let a = vec[0];
|
|
| ^^^^^^
|
|
| |
|
|
| cannot move out of here
|
|
| move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait
|
|
|
|
|
help: consider borrowing here
|
|
|
|
|
LL | let a = &vec[0];
|
|
| +
|
|
help: consider cloning the value if the performance cost is acceptable
|
|
|
|
|
LL | let a = vec[0].clone();
|
|
| ++++++++
|
|
|
|
error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:76:11
|
|
|
|
|
LL | match vec {
|
|
| ^^^ cannot move out of here
|
|
...
|
|
LL | &mut [_a, _b, _c] => {}
|
|
| -- -- -- ...and here
|
|
| | |
|
|
| | ...and here
|
|
| data moved here
|
|
|
|
|
= note: move occurs because these variables have types that don't implement the `Copy` trait
|
|
help: consider removing the mutable borrow
|
|
|
|
|
LL - &mut [_a, _b, _c] => {}
|
|
LL + [_a, _b, _c] => {}
|
|
|
|
|
|
|
error[E0508]: cannot move out of type `[Box<isize>]`, a non-copy slice
|
|
--> $DIR/borrowck-vec-pattern-nesting.rs:87:13
|
|
|
|
|
LL | let a = vec[0];
|
|
| ^^^^^^
|
|
| |
|
|
| cannot move out of here
|
|
| move occurs because `vec[_]` has type `Box<isize>`, which does not implement the `Copy` trait
|
|
|
|
|
help: consider borrowing here
|
|
|
|
|
LL | let a = &vec[0];
|
|
| +
|
|
help: consider cloning the value if the performance cost is acceptable
|
|
|
|
|
LL | let a = vec[0].clone();
|
|
| ++++++++
|
|
|
|
error: aborting due to 8 previous errors
|
|
|
|
Some errors have detailed explanations: E0506, E0508.
|
|
For more information about an error, try `rustc --explain E0506`.
|