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;
| +
```
|
||
|---|---|---|
| .. | ||
| assignment-of-clone-call-on-ref-due-to-missing-bound.fixed | ||
| assignment-of-clone-call-on-ref-due-to-missing-bound.rs | ||
| assignment-of-clone-call-on-ref-due-to-missing-bound.stderr | ||
| borrow-closures-instead-of-move.rs | ||
| borrow-closures-instead-of-move.stderr | ||
| issue-22536-copy-mustnt-zero.rs | ||
| issue-22536-copy-mustnt-zero.stderr | ||
| issue-34721.fixed | ||
| issue-34721.rs | ||
| issue-34721.stderr | ||
| issue-46099-move-in-macro.rs | ||
| issue-46099-move-in-macro.stderr | ||
| issue-72649-uninit-in-loop.rs | ||
| issue-72649-uninit-in-loop.stderr | ||
| issue-75904-move-closure-loop.rs | ||
| issue-75904-move-closure-loop.stderr | ||
| issue-99470-move-out-of-some.rs | ||
| issue-99470-move-out-of-some.stderr | ||
| move-1-unique.rs | ||
| move-2-unique.rs | ||
| move-2.rs | ||
| move-3-unique.rs | ||
| move-4-unique.rs | ||
| move-4.rs | ||
| move-arg-2-unique.rs | ||
| move-arg-2.rs | ||
| move-arg.rs | ||
| move-deref-coercion.rs | ||
| move-deref-coercion.stderr | ||
| move-fn-self-receiver.rs | ||
| move-fn-self-receiver.stderr | ||
| move-guard-same-consts.rs | ||
| move-guard-same-consts.stderr | ||
| move-in-guard-1.rs | ||
| move-in-guard-1.stderr | ||
| move-in-guard-2.rs | ||
| move-in-guard-2.stderr | ||
| move-into-dead-array-1.rs | ||
| move-into-dead-array-1.stderr | ||
| move-into-dead-array-2.rs | ||
| move-into-dead-array-2.stderr | ||
| move-nullary-fn.rs | ||
| move-of-addr-of-mut.rs | ||
| move-of-addr-of-mut.stderr | ||
| move-out-of-array-1.rs | ||
| move-out-of-array-1.stderr | ||
| move-out-of-array-ref.rs | ||
| move-out-of-array-ref.stderr | ||
| move-out-of-field.rs | ||
| move-out-of-slice-1.rs | ||
| move-out-of-slice-1.stderr | ||
| move-out-of-slice-2.rs | ||
| move-out-of-slice-2.stderr | ||
| move-out-of-tuple-field.rs | ||
| move-out-of-tuple-field.stderr | ||
| move-scalar.rs | ||
| moves-based-on-type-access-to-field.rs | ||
| moves-based-on-type-access-to-field.stderr | ||
| moves-based-on-type-block-bad.rs | ||
| moves-based-on-type-block-bad.stderr | ||
| moves-based-on-type-capture-clause-bad.rs | ||
| moves-based-on-type-capture-clause-bad.stderr | ||
| moves-based-on-type-capture-clause.rs | ||
| moves-based-on-type-cyclic-types-issue-4821.rs | ||
| moves-based-on-type-cyclic-types-issue-4821.stderr | ||
| moves-based-on-type-distribute-copy-over-paren.rs | ||
| moves-based-on-type-distribute-copy-over-paren.stderr | ||
| moves-based-on-type-exprs.rs | ||
| moves-based-on-type-exprs.stderr | ||
| moves-based-on-type-match-bindings.rs | ||
| moves-based-on-type-match-bindings.stderr | ||
| moves-based-on-type-move-out-of-closure-env-issue-1965.rs | ||
| moves-based-on-type-move-out-of-closure-env-issue-1965.stderr | ||
| moves-based-on-type-no-recursive-stack-closure.rs | ||
| moves-based-on-type-no-recursive-stack-closure.stderr | ||
| moves-based-on-type-tuple.rs | ||
| moves-based-on-type-tuple.stderr | ||
| moves-sru-moved-field.rs | ||
| moves-sru-moved-field.stderr | ||
| needs-clone-through-deref.fixed | ||
| needs-clone-through-deref.rs | ||
| needs-clone-through-deref.stderr | ||
| nested-loop-moved-value-wrong-continue.rs | ||
| nested-loop-moved-value-wrong-continue.stderr | ||
| pin-mut-reborrow-infer-var-issue-107419.fixed | ||
| pin-mut-reborrow-infer-var-issue-107419.rs | ||
| pin-mut-reborrow-infer-var-issue-107419.stderr | ||
| pin-mut-reborrow.fixed | ||
| pin-mut-reborrow.rs | ||
| pin-mut-reborrow.stderr | ||
| recreating-value-in-loop-condition.rs | ||
| recreating-value-in-loop-condition.stderr | ||
| suggest-clone-when-some-obligation-is-unmet.fixed | ||
| suggest-clone-when-some-obligation-is-unmet.rs | ||
| suggest-clone-when-some-obligation-is-unmet.stderr | ||
| suggest-clone.fixed | ||
| suggest-clone.rs | ||
| suggest-clone.stderr | ||
| use_of_moved_value_clone_suggestions.rs | ||
| use_of_moved_value_clone_suggestions.stderr | ||
| use_of_moved_value_copy_suggestions.fixed | ||
| use_of_moved_value_copy_suggestions.rs | ||
| use_of_moved_value_copy_suggestions.stderr | ||