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error[E0597]: `*a` does not live long enough
--> $DIR/destructor-restrictions.rs:8:10
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LL | *a.borrow() + 1
| ^^^^^^^^^^
| |
| borrowed value does not live long enough
| a temporary with access to the borrow is created here ...
LL | };
| -- ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Ref<'_, i32>`
| |
| `*a` dropped here while still borrowed
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= note: the temporary is part of an expression at the end of a block;
consider forcing this temporary to be dropped sooner, before the block's local variables are dropped
help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block
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LL | let x = *a.borrow() + 1; x
| +++++++ +++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0597`.
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