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
|
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`
|
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
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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;
| +
```
204 lines
6.5 KiB
Plaintext
204 lines
6.5 KiB
Plaintext
error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:7:9
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
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| - move occurs because `t` has type `T`, which does not implement the `Copy` trait
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...
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LL | (t, t)
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| - ^ value used here after move
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| |
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| value moved here
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help: if `T` implemented `Clone`, you could clone the value
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--> $DIR/use_of_moved_value_copy_suggestions.rs:4:16
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LL | fn duplicate_t<T>(t: T) -> (T, T) {
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| ^ consider constraining this type parameter with `Clone`
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...
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LL | (t, t)
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| - you could clone this value
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help: consider restricting type parameter `T`
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LL | fn duplicate_t<T: Copy>(t: T) -> (T, T) {
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| ++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:12:9
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LL | fn duplicate_opt<T>(t: Option<T>) -> (Option<T>, Option<T>) {
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| - move occurs because `t` has type `Option<T>`, which does not implement the `Copy` trait
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LL |
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LL | (t, t)
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| - ^ value used here after move
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| value moved here
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help: consider restricting type parameter `T`
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LL | fn duplicate_opt<T: Copy>(t: Option<T>) -> (Option<T>, Option<T>) {
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| ++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:17:9
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LL | fn duplicate_tup1<T>(t: (T,)) -> ((T,), (T,)) {
|
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| - move occurs because `t` has type `(T,)`, which does not implement the `Copy` trait
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LL |
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LL | (t, t)
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| - ^ value used here after move
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| |
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| value moved here
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help: consider restricting type parameter `T`
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LL | fn duplicate_tup1<T: Copy>(t: (T,)) -> ((T,), (T,)) {
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| ++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:22:9
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LL | fn duplicate_tup2<A, B>(t: (A, B)) -> ((A, B), (A, B)) {
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| - move occurs because `t` has type `(A, B)`, which does not implement the `Copy` trait
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LL |
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LL | (t, t)
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| - ^ value used here after move
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| value moved here
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help: consider restricting type parameters
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LL | fn duplicate_tup2<A: Copy, B: Copy>(t: (A, B)) -> ((A, B), (A, B)) {
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| ++++++ ++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:27:9
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LL | fn duplicate_custom<T>(t: S<T>) -> (S<T>, S<T>) {
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| - move occurs because `t` has type `S<T>`, which does not implement the `Copy` trait
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LL |
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LL | (t, t)
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| - ^ value used here after move
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| value moved here
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help: consider restricting type parameter `T`
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LL | fn duplicate_custom<T: Copy + Trait>(t: S<T>) -> (S<T>, S<T>) {
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| ++++++++++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:45:9
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LL | fn duplicate_custom_1<T>(t: S<T>) -> (S<T>, S<T>) where {
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| - move occurs because `t` has type `S<T>`, which does not implement the `Copy` trait
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LL |
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LL | (t, t)
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| - ^ value used here after move
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| value moved here
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help: consider restricting type parameter `T`
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LL | fn duplicate_custom_1<T: Copy + Trait>(t: S<T>) -> (S<T>, S<T>) where {
|
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| ++++++++++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:53:9
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LL | fn duplicate_custom_2<T>(t: S<T>) -> (S<T>, S<T>)
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| - move occurs because `t` has type `S<T>`, which does not implement the `Copy` trait
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...
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LL | (t, t)
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| - ^ value used here after move
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| value moved here
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help: consider further restricting this bound
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LL | T: A + Copy + Trait,
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| ++++++++++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:62:9
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LL | fn duplicate_custom_3<T>(t: S<T>) -> (S<T>, S<T>)
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| - move occurs because `t` has type `S<T>`, which does not implement the `Copy` trait
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...
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LL | (t, t)
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| - ^ value used here after move
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| value moved here
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help: consider further restricting this bound
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LL | T: A + Copy + Trait,
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| ++++++++++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:70:9
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LL | fn duplicate_custom_4<T: A>(t: S<T>) -> (S<T>, S<T>)
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| - move occurs because `t` has type `S<T>`, which does not implement the `Copy` trait
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...
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LL | (t, t)
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| - ^ value used here after move
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| value moved here
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help: consider further restricting this bound
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LL | fn duplicate_custom_4<T: A + Copy + Trait>(t: S<T>) -> (S<T>, S<T>)
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| ++++++++++++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:77:9
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LL | fn existing_colon<T:>(t: T) {
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| - move occurs because `t` has type `T`, which does not implement the `Copy` trait
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...
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LL | [t, t];
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| - ^ value used here after move
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| value moved here
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help: if `T` implemented `Clone`, you could clone the value
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--> $DIR/use_of_moved_value_copy_suggestions.rs:74:19
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LL | fn existing_colon<T:>(t: T) {
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| ^ consider constraining this type parameter with `Clone`
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...
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LL | [t, t];
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| - you could clone this value
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help: consider restricting type parameter `T`
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LL | fn existing_colon<T: Copy>(t: T) {
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| ++++
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error[E0382]: use of moved value: `t`
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--> $DIR/use_of_moved_value_copy_suggestions.rs:85:9
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LL | fn existing_colon_in_where<T>(t: T)
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| - move occurs because `t` has type `T`, which does not implement the `Copy` trait
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...
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LL | [t, t];
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| - ^ value used here after move
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| |
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| value moved here
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help: if `T` implemented `Clone`, you could clone the value
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--> $DIR/use_of_moved_value_copy_suggestions.rs:80:28
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LL | fn existing_colon_in_where<T>(t: T)
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| ^ consider constraining this type parameter with `Clone`
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...
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LL | [t, t];
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| - you could clone this value
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help: consider further restricting type parameter `T`
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LL | T:, T: Copy
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| ~~~~~~~~~
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error: aborting due to 11 previous errors
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For more information about this error, try `rustc --explain E0382`.
|