| error[E0382]: use of moved value: `b` |
| --> $DIR/borrowck-consume-upcast-box.rs:10:13 |
| | |
| 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 |
| | |
| 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 |
| | |
| LL | fn consume(_: Box<dyn Foo>) { |
| | ------- ^^^^^^^^^^^^ this parameter takes ownership of the value |
| | | |
| | in this function |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0382`. |
