| error[E0373]: closure may outlive the current function, but it borrows `a`, which is owned by the current function |
| --> $DIR/unnamed-closure-doesnt-life-long-enough-issue-67634.rs:2:44 |
| | |
| LL | [0].iter().flat_map(|a| [0].iter().map(|_| &a)); |
| | ^^^ - `a` is borrowed here |
| | | |
| | may outlive borrowed value `a` |
| | |
| note: closure is returned here |
| --> $DIR/unnamed-closure-doesnt-life-long-enough-issue-67634.rs:2:29 |
| | |
| LL | [0].iter().flat_map(|a| [0].iter().map(|_| &a)); |
| | ^^^^^^^^^^^^^^^^^^^^^^ |
| help: to force the closure to take ownership of `a` (and any other referenced variables), use the `move` keyword |
| | |
| LL | [0].iter().flat_map(|a| [0].iter().map(move |_| &a)); |
| | ++++ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0373`. |