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error[E0382]: use of moved value: `b`
--> $DIR/borrowck-consume-upcast-box.rs:10:13
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LL | fn foo(b: Box<dyn Foo + Send>) {
| - move occurs because `b` has type `Box<dyn Foo + Send>`, which does not implement the `Copy` trait
LL | consume(b);
| - value moved here
LL | consume(b);
| ^ value used here after move
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note: consider changing this parameter type in function `consume` to borrow instead if owning the value isn't necessary
--> $DIR/borrowck-consume-upcast-box.rs:5:15
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LL | fn consume(_: Box<dyn Foo>) {
| ------- ^^^^^^^^^^^^ this parameter takes ownership of the value
| |
| in this function
error: aborting due to previous error
For more information about this error, try `rustc --explain E0382`.
|
