use crate::cmp;
-use crate::mem::{self, MaybeUninit};
+use crate::mem::{self, MaybeUninit, SizedTypeProperties};
use crate::ptr;
/// Rotates the range `[mid-left, mid+right)` such that the element at `mid` becomes the first
/// when `left < right` the swapping happens from the left instead.
pub unsafe fn ptr_rotate<T>(mut left: usize, mut mid: *mut T, mut right: usize) {
type BufType = [usize; 32];
- if mem::size_of::<T>() == 0 {
+ if T::IS_ZST {
return;
}
loop {