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``` 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; | + ```
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) {
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| ----- move occurs because `state` has type `&mut State`, which does not implement the `Copy` trait
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LL | loop {
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| ---- 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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