mirror of https://github.com/rust-lang/rust
d68f2a6b71
```
error[E0382]: use of moved value: `t`
--> $DIR/use_of_moved_value_copy_suggestions.rs:7:9
|
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
|
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
|
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;
| +
```
|
||
|---|---|---|
| .. | ||
| auto-is-contextual.rs | ||
| auto-trait-projection-recursion.rs | ||
| auto-trait-validation.fixed | ||
| auto-trait-validation.rs | ||
| auto-trait-validation.stderr | ||
| auto-traits.rs | ||
| auto-traits.stderr | ||
| bad-generics-on-dyn.rs | ||
| bad-generics-on-dyn.stderr | ||
| has-arguments.rs | ||
| has-arguments.stderr | ||
| issue-23080-2.current.stderr | ||
| issue-23080-2.next.stderr | ||
| issue-23080-2.rs | ||
| issue-23080.rs | ||
| issue-23080.stderr | ||
| issue-83857-ub.rs | ||
| issue-83857-ub.stderr | ||
| issue-84075.rs | ||
| issue-84075.stderr | ||
| issue-117789.rs | ||
| issue-117789.stderr | ||
| pre-cfg.rs | ||
| pre-cfg.stderr | ||
| str-contains-slice-conceptually.rs | ||
| str-contains-slice-conceptually.stderr | ||
| typeck-auto-trait-no-supertraits-2.rs | ||
| typeck-auto-trait-no-supertraits-2.stderr | ||
| typeck-auto-trait-no-supertraits.rs | ||
| typeck-auto-trait-no-supertraits.stderr | ||
| typeck-default-trait-impl-constituent-types-2.rs | ||
| typeck-default-trait-impl-constituent-types-2.stderr | ||
| typeck-default-trait-impl-constituent-types.rs | ||
| typeck-default-trait-impl-constituent-types.stderr | ||
| typeck-default-trait-impl-negation.rs | ||
| typeck-default-trait-impl-negation.stderr | ||
| typeck-default-trait-impl-precedence.rs | ||
| typeck-default-trait-impl-precedence.stderr | ||