| error[E0597]: `cell` does not live long enough |
| --> $DIR/refcell-in-tail-expr.rs:12:27 |
| | |
| LL | let cell = std::cell::RefCell::new(0u8); |
| | ---- binding `cell` declared here |
| LL | |
| LL | if let Ok(mut byte) = cell.try_borrow_mut() { |
| | ^^^^----------------- |
| | | |
| | borrowed value does not live long enough |
| | a temporary with access to the borrow is created here ... |
| ... |
| LL | } |
| | - |
| | | |
| | `cell` dropped here while still borrowed |
| | ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Result<RefMut<'_, u8>, BorrowMutError>` |
| | |
| help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped |
| | |
| LL | }; |
| | + |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0597`. |
