diff options
| -rw-r--r-- | library/core/src/ptr/mod.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index e2a19c1b581..91e2bd7953f 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -637,8 +637,9 @@ pub const fn slice_from_raw_parts_mut<T>(data: *mut T, len: usize) -> *mut [T] { /// /// let mut array = [0, 1, 2, 3]; /// -/// let x = array[0..].as_mut_ptr() as *mut [u32; 2]; // this is `array[0..2]` -/// let y = array[2..].as_mut_ptr() as *mut [u32; 2]; // this is `array[2..4]` +/// let (x, y) = array.split_at_mut(2); +/// let x = x.as_mut_ptr().cast::<[u32; 2]>(); // this is `array[0..2]` +/// let y = y.as_mut_ptr().cast::<[u32; 2]>(); // this is `array[2..4]` /// /// unsafe { /// ptr::swap(x, y); |