mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 06:44:35 +00:00
76 lines
2.5 KiB
Plaintext
76 lines
2.5 KiB
Plaintext
error[E0382]: borrow of moved value: `x`
|
|
--> $DIR/unop-move-semantics.rs:8:5
|
|
|
|
|
LL | fn move_then_borrow<T: Not<Output=T> + Clone>(x: T) {
|
|
| - move occurs because `x` has type `T`, which does not implement the `Copy` trait
|
|
LL | !x;
|
|
| -- `x` moved due to usage in operator
|
|
LL |
|
|
LL | x.clone();
|
|
| ^^^^^^^^^ value borrowed here after move
|
|
|
|
|
note: calling this operator moves the left-hand side
|
|
--> $SRC_DIR/core/src/ops/bit.rs:LL:COL
|
|
help: consider cloning the value if the performance cost is acceptable
|
|
|
|
|
LL | !x.clone();
|
|
| ++++++++
|
|
help: consider further restricting this bound
|
|
|
|
|
LL | fn move_then_borrow<T: Not<Output=T> + Clone + Copy>(x: T) {
|
|
| ++++++
|
|
|
|
error[E0505]: cannot move out of `x` because it is borrowed
|
|
--> $DIR/unop-move-semantics.rs:15:6
|
|
|
|
|
LL | fn move_borrowed<T: Not<Output=T>>(x: T, mut y: T) {
|
|
| - binding `x` declared here
|
|
LL | let m = &x;
|
|
| -- borrow of `x` occurs here
|
|
...
|
|
LL | !x;
|
|
| ^ move out of `x` occurs here
|
|
...
|
|
LL | use_mut(n); use_imm(m);
|
|
| - borrow later used here
|
|
|
|
error[E0505]: cannot move out of `y` because it is borrowed
|
|
--> $DIR/unop-move-semantics.rs:17:6
|
|
|
|
|
LL | fn move_borrowed<T: Not<Output=T>>(x: T, mut y: T) {
|
|
| ----- binding `y` declared here
|
|
LL | let m = &x;
|
|
LL | let n = &mut y;
|
|
| ------ borrow of `y` occurs here
|
|
...
|
|
LL | !y;
|
|
| ^ move out of `y` occurs here
|
|
LL | use_mut(n); use_imm(m);
|
|
| - borrow later used here
|
|
|
|
error[E0507]: cannot move out of `*m` which is behind a mutable reference
|
|
--> $DIR/unop-move-semantics.rs:24:6
|
|
|
|
|
LL | !*m;
|
|
| -^^
|
|
| ||
|
|
| |move occurs because `*m` has type `T`, which does not implement the `Copy` trait
|
|
| `*m` moved due to usage in operator
|
|
|
|
|
note: calling this operator moves the left-hand side
|
|
--> $SRC_DIR/core/src/ops/bit.rs:LL:COL
|
|
|
|
error[E0507]: cannot move out of `*n` which is behind a shared reference
|
|
--> $DIR/unop-move-semantics.rs:26:6
|
|
|
|
|
LL | !*n;
|
|
| -^^
|
|
| ||
|
|
| |move occurs because `*n` has type `T`, which does not implement the `Copy` trait
|
|
| `*n` moved due to usage in operator
|
|
|
|
error: aborting due to 5 previous errors
|
|
|
|
Some errors have detailed explanations: E0382, E0505, E0507.
|
|
For more information about an error, try `rustc --explain E0382`.
|