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error[E0507]: cannot move out of a shared reference
--> $DIR/suggest-clone-when-some-obligation-is-unmet.rs:20:28
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LL | let mut copy: Vec<U> = map.clone().into_values().collect();
| ^^^^^^^^^^^ ------------- value moved due to this method call
| |
| move occurs because value has type `HashMap<T, U, Hash128_1>`, which does not implement the `Copy` trait
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note: `HashMap::<K, V, S>::into_values` takes ownership of the receiver `self`, which moves value
--> $SRC_DIR/std/src/collections/hash/map.rs:LL:COL
note: if `Hash128_1` implemented `Clone`, you could clone the value
--> $DIR/suggest-clone-when-some-obligation-is-unmet.rs:8:1
|
LL | pub struct Hash128_1;
| ^^^^^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
...
LL | let mut copy: Vec<U> = map.clone().into_values().collect();
| ----------- you could clone this value
help: you could `clone` the value and consume it, if the `Hash128_1: Clone` trait bound could be satisfied
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LL - let mut copy: Vec<U> = map.clone().into_values().collect();
LL + let mut copy: Vec<U> = <HashMap<T, U, Hash128_1> as Clone>::clone(&map).into_values().collect();
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help: consider annotating `Hash128_1` with `#[derive(Clone)]`
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LL + #[derive(Clone)]
LL | pub struct Hash128_1;
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0507`.
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