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
|
note: if `Foo` implemented `Clone`, you could clone the value
--> $DIR/issue-17718-static-move.rs:1:1
|
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;
| +
```
22 lines
865 B
Plaintext
22 lines
865 B
Plaintext
error[E0507]: cannot move out of `*v`, as `v` is a captured variable in an `FnMut` closure
|
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--> $DIR/issue-4335.rs:6:20
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LL | fn f<'r, T>(v: &'r T) -> Box<dyn FnMut() -> T + 'r> {
|
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| - captured outer variable
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LL | id(Box::new(|| *v))
|
|
| -- ^^ move occurs because `*v` has type `T`, which does not implement the `Copy` trait
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|
| |
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| captured by this `FnMut` closure
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help: if `T` implemented `Clone`, you could clone the value
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--> $DIR/issue-4335.rs:5:10
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LL | fn f<'r, T>(v: &'r T) -> Box<dyn FnMut() -> T + 'r> {
|
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| ^ consider constraining this type parameter with `Clone`
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LL | id(Box::new(|| *v))
|
|
| -- 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 E0507`.
|