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error[E0277]: the trait bound `&mut T: Clone` is not satisfied
--> $DIR/issue-79458.rs:6:5
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LL | #[derive(Clone)]
| ----- in this derive macro expansion
LL | struct Foo<'a, T> {
LL | bar: &'a mut T
| ^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `&mut T`
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= help: the following other types implement trait `Clone`:
&T
*const T
*mut T
= note: `Clone` is implemented for `&T`, but not for `&mut T`
= note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
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