2018-08-08 12:28:26 +00:00
|
|
|
error[E0382]: use of moved value: `x`
|
2018-12-25 15:56:47 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:8:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2020-06-11 17:48:46 +00:00
|
|
|
LL | fn double_move<T: Add<Output=()>>(x: T) {
|
|
|
|
| - move occurs because `x` has type `T`, which does not implement the `Copy` trait
|
|
|
|
LL | / x
|
|
|
|
LL | | +
|
|
|
|
LL | | x;
|
|
|
|
| | ^
|
|
|
|
| | |
|
|
|
|
| |_____value used here after move
|
|
|
|
| `x` moved due to usage in operator
|
|
|
|
|
|
|
|
|
note: calling this operator moves the left-hand side
|
2022-12-12 15:36:08 +00:00
|
|
|
--> $SRC_DIR/core/src/ops/arith.rs:LL:COL
|
2020-03-14 02:28:14 +00:00
|
|
|
help: consider further restricting this bound
|
2019-12-26 12:43:33 +00:00
|
|
|
|
|
2020-03-14 02:28:14 +00:00
|
|
|
LL | fn double_move<T: Add<Output=()> + Copy>(x: T) {
|
2021-06-22 02:07:19 +00:00
|
|
|
| ++++++
|
2018-08-08 12:28:26 +00:00
|
|
|
|
2019-04-22 07:40:08 +00:00
|
|
|
error[E0382]: borrow of moved value: `x`
|
2018-12-25 15:56:47 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:14:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2019-04-22 07:40:08 +00:00
|
|
|
LL | fn move_then_borrow<T: Add<Output=()> + Clone>(x: T) {
|
2019-12-26 12:43:33 +00:00
|
|
|
| - move occurs because `x` has type `T`, which does not implement the `Copy` trait
|
2018-08-08 12:28:26 +00:00
|
|
|
LL | x
|
|
|
|
| - value moved here
|
|
|
|
LL | +
|
2019-03-09 12:03:44 +00:00
|
|
|
LL | x.clone();
|
2023-06-22 20:30:23 +00:00
|
|
|
| ^ value borrowed here after move
|
2019-12-26 12:43:33 +00:00
|
|
|
|
|
2022-11-03 04:22:24 +00:00
|
|
|
help: consider cloning the value if the performance cost is acceptable
|
|
|
|
|
|
|
|
|
LL | x.clone()
|
|
|
|
| ++++++++
|
2020-03-14 02:28:14 +00:00
|
|
|
help: consider further restricting this bound
|
2019-12-26 12:43:33 +00:00
|
|
|
|
|
2020-03-14 02:28:14 +00:00
|
|
|
LL | fn move_then_borrow<T: Add<Output=()> + Clone + Copy>(x: T) {
|
2021-06-22 02:07:19 +00:00
|
|
|
| ++++++
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
|
|
error[E0505]: cannot move out of `x` because it is borrowed
|
2018-12-25 15:56:47 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:21:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2023-01-15 03:06:44 +00:00
|
|
|
LL | fn move_borrowed<T: Add<Output=()>>(x: T, mut y: T) {
|
|
|
|
| - binding `x` declared here
|
2018-08-08 12:28:26 +00:00
|
|
|
LL | let m = &x;
|
2019-04-22 07:40:08 +00:00
|
|
|
| -- borrow of `x` occurs here
|
2018-08-08 12:28:26 +00:00
|
|
|
...
|
2019-03-09 12:03:44 +00:00
|
|
|
LL | x
|
2018-08-08 12:28:26 +00:00
|
|
|
| ^ move out of `x` occurs here
|
2019-04-22 07:40:08 +00:00
|
|
|
...
|
|
|
|
LL | use_mut(n); use_imm(m);
|
|
|
|
| - borrow later used here
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
|
|
error[E0505]: cannot move out of `y` because it is borrowed
|
2018-12-25 15:56:47 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:23:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2023-01-15 03:06:44 +00:00
|
|
|
LL | fn move_borrowed<T: Add<Output=()>>(x: T, mut y: T) {
|
|
|
|
| ----- binding `y` declared here
|
|
|
|
LL | let m = &x;
|
2018-08-08 12:28:26 +00:00
|
|
|
LL | let n = &mut y;
|
2019-04-22 07:40:08 +00:00
|
|
|
| ------ borrow of `y` occurs here
|
2018-08-08 12:28:26 +00:00
|
|
|
...
|
2019-03-09 12:03:44 +00:00
|
|
|
LL | y;
|
2018-08-08 12:28:26 +00:00
|
|
|
| ^ move out of `y` occurs here
|
2019-04-22 07:40:08 +00:00
|
|
|
LL | use_mut(n); use_imm(m);
|
|
|
|
| - borrow later used here
|
2018-08-08 12:28:26 +00:00
|
|
|
|
2019-05-05 11:02:32 +00:00
|
|
|
error[E0507]: cannot move out of `*m` which is behind a mutable reference
|
2018-12-25 15:56:47 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:30:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2022-06-27 22:43:23 +00:00
|
|
|
LL | *m
|
|
|
|
| -^
|
|
|
|
| |
|
|
|
|
| _____move occurs because `*m` has type `T`, which does not implement the `Copy` trait
|
|
|
|
| |
|
|
|
|
LL | | +
|
|
|
|
LL | | *n;
|
|
|
|
| |______- `*m` moved due to usage in operator
|
|
|
|
|
|
|
|
|
note: calling this operator moves the left-hand side
|
2022-12-12 15:36:08 +00:00
|
|
|
--> $SRC_DIR/core/src/ops/arith.rs:LL:COL
|
2018-08-08 12:28:26 +00:00
|
|
|
|
2019-05-05 11:02:32 +00:00
|
|
|
error[E0507]: cannot move out of `*n` which is behind a shared reference
|
2018-12-25 15:56:47 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:32:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2019-03-09 12:03:44 +00:00
|
|
|
LL | *n;
|
2019-05-05 11:02:32 +00:00
|
|
|
| ^^ move occurs because `*n` has type `T`, which does not implement the `Copy` trait
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
|
|
error[E0502]: cannot borrow `f` as immutable because it is also borrowed as mutable
|
2019-04-22 07:40:08 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:54:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2019-04-22 07:40:08 +00:00
|
|
|
LL | &mut f
|
|
|
|
| ------
|
|
|
|
| |
|
|
|
|
| _____mutable borrow occurs here
|
|
|
|
| |
|
|
|
|
LL | | +
|
|
|
|
LL | | &f;
|
|
|
|
| | ^-
|
|
|
|
| |_____||
|
|
|
|
| |mutable borrow later used here
|
|
|
|
| immutable borrow occurs here
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
|
|
error[E0502]: cannot borrow `f` as mutable because it is also borrowed as immutable
|
2019-04-22 07:40:08 +00:00
|
|
|
--> $DIR/binop-move-semantics.rs:62:5
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
2019-04-22 07:40:08 +00:00
|
|
|
LL | &f
|
|
|
|
| --
|
|
|
|
| |
|
|
|
|
| _____immutable borrow occurs here
|
|
|
|
| |
|
|
|
|
LL | | +
|
|
|
|
LL | | &mut f;
|
|
|
|
| | ^^^^^-
|
|
|
|
| |_____|____|
|
|
|
|
| | immutable borrow later used here
|
|
|
|
| mutable borrow occurs here
|
2018-08-08 12:28:26 +00:00
|
|
|
|
|
|
|
error: aborting due to 8 previous errors
|
|
|
|
|
2019-04-17 17:26:38 +00:00
|
|
|
Some errors have detailed explanations: E0382, E0502, E0505, E0507.
|
2018-08-08 12:28:26 +00:00
|
|
|
For more information about an error, try `rustc --explain E0382`.
|