mirror of
https://github.com/rust-lang/rust
synced 2024-10-01 06:14:33 +00:00
d68f2a6b71
```
error[E0382]: use of moved value: `t`
--> $DIR/use_of_moved_value_copy_suggestions.rs:7:9
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
| - move occurs because `t` has type `T`, which does not implement the `Copy` trait
...
LL | (t, t)
| - ^ value used here after move
| |
| value moved here
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help: if `T` implemented `Clone`, you could clone the value
--> $DIR/use_of_moved_value_copy_suggestions.rs:4:16
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
| ^ consider constraining this type parameter with `Clone`
...
LL | (t, t)
| - you could clone this value
help: consider restricting type parameter `T`
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LL | fn duplicate_t<T: Copy>(t: T) -> (T, T) {
| ++++++
```
The `help` is new. On ADTs, we also extend the output with span labels:
```
error[E0507]: cannot move out of static item `FOO`
--> $DIR/issue-17718-static-move.rs:6:14
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LL | let _a = FOO;
| ^^^ move occurs because `FOO` has type `Foo`, which does not implement the `Copy` trait
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note: if `Foo` implemented `Clone`, you could clone the value
--> $DIR/issue-17718-static-move.rs:1:1
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LL | struct Foo;
| ^^^^^^^^^^ consider implementing `Clone` for this type
...
LL | let _a = FOO;
| --- you could clone this value
help: consider borrowing here
|
LL | let _a = &FOO;
| +
```
33 lines
1.2 KiB
Plaintext
33 lines
1.2 KiB
Plaintext
error[E0382]: use of moved value: `state`
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--> $DIR/issue-101119.rs:7:14
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LL | fn fill_memory_blocks_mt(state: &mut State) {
|
|
| ----- move occurs because `state` has type `&mut State`, which does not implement the `Copy` trait
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LL | loop {
|
|
| ---- inside of this loop
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LL | once(move || {
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| ^^^^^^^ value moved into closure here, in previous iteration of loop
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LL |
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LL | fill_segment(state);
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| ----- use occurs due to use in closure
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note: consider changing this parameter type in function `fill_segment` to borrow instead if owning the value isn't necessary
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--> $DIR/issue-101119.rs:14:20
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LL | fn fill_segment(_: &mut State) {}
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| ------------ ^^^^^^^^^^ this parameter takes ownership of the value
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| |
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| in this function
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note: if `State` implemented `Clone`, you could clone the value
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--> $DIR/issue-101119.rs:1:1
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LL | struct State;
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| ^^^^^^^^^^^^ consider implementing `Clone` for this type
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...
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LL | fill_segment(state);
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| ----- you could clone this value
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0382`.
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