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Diffstat (limited to 'rust/zerocopy/src/byte_slice.rs')
| -rw-r--r-- | rust/zerocopy/src/byte_slice.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/rust/zerocopy/src/byte_slice.rs b/rust/zerocopy/src/byte_slice.rs index b7f85098dbc4..26fcc088aecf 100644 --- a/rust/zerocopy/src/byte_slice.rs +++ b/rust/zerocopy/src/byte_slice.rs @@ -427,8 +427,12 @@ mod tests { let borrow_mut = cell.borrow_mut(); let slice_ref_mut: cell::RefMut<'_, [u8]> = cell::RefMut::map(borrow_mut, |a| &mut a[..]); // SAFETY: 2 is within bounds of [1, 2, 3, 4] - let (l, r) = unsafe { slice_ref_mut.split_at_unchecked(2) }; + let (mut l, mut r) = unsafe { slice_ref_mut.split_at_unchecked(2) }; assert_eq!(*l, [1, 2]); assert_eq!(*r, [3, 4]); + l[0] = 5; + r[0] = 6; + drop((l, r)); + assert_eq!(*cell.borrow(), [5, 2, 6, 4]); } } |