blob: 3df0e2b64c008032c20d219b814e2b5d3ed0a8cf [file] [log] [blame]
$ cargo run
Compiling unsafe-example v0.1.0 (file:///projects/unsafe-example)
error[E0499]: cannot borrow `*slice` as mutable more than once at a time
--> src/main.rs:6:30
|
1 | fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) {
| - let's call the lifetime of this reference `'1`
...
6 | (&mut slice[..mid], &mut slice[mid..])
| -------------------------^^^^^--------
| | | |
| | | second mutable borrow occurs here
| | first mutable borrow occurs here
| returning this value requires that `*slice` is borrowed for `'1`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0499`.
error: could not compile `unsafe-example`.
To learn more, run the command again with --verbose.