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error[E0382]: assign of moved value: `t`
--> $DIR/borrowck-partial-reinit-2.rs:15:5
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LL | let mut t = Test { a: 1, b: None};
| ----- move occurs because `t` has type `Test`, which does not implement the `Copy` trait
LL | let mut u = Test { a: 2, b: Some(Box::new(t))};
| - value moved here
LL | t.b = Some(Box::new(u));
| ^^^ value assigned here after move
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note: if `Test` implemented `Clone`, you could clone the value
--> $DIR/borrowck-partial-reinit-2.rs:1:1
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LL | struct Test {
| ^^^^^^^^^^^ consider implementing `Clone` for this type
...
LL | let mut u = Test { a: 2, b: Some(Box::new(t))};
| - you could clone this value
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0382`.
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