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27 lines
1014 B
Plaintext
27 lines
1014 B
Plaintext
error[E0597]: `cell` does not live long enough
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--> $DIR/refcell-in-tail-expr.rs:10:27
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LL | let cell = std::cell::RefCell::new(0u8);
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| ---- binding `cell` declared here
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LL |
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LL | if let Ok(mut byte) = cell.try_borrow_mut() {
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| ^^^^-----------------
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| |
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| borrowed value does not live long enough
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| a temporary with access to the borrow is created here ...
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...
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LL | }
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| -
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| |
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| `cell` dropped here while still borrowed
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| ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Result<RefMut<'_, u8>, BorrowMutError>`
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help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped
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LL | };
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| +
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0597`.
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