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error[E0507]: cannot move out of `*v`, as `v` is a captured variable in an `FnMut` closure
--> $DIR/issue-4335.rs:6:20
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LL | fn f<'r, T>(v: &'r T) -> Box<dyn FnMut() -> T + 'r> {
| - captured outer variable
LL | id(Box::new(|| *v))
| -- ^^ move occurs because `*v` has type `T`, which does not implement the `Copy` trait
| |
| captured by this `FnMut` closure
error: aborting due to previous error
For more information about this error, try `rustc --explain E0507`.
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