Function write_back
pub(in ::array) unsafe fn write_back<T, const N: usize>(to: &mut [MaybeUninit<T>; N], from: &mut impl DoubleEndedIterator<Item = T>, len: usize)write_backpub(in ::array) unsafe fn write_back<T, const N: usize>(to: &mut [MaybeUninit<T>; N], from: &mut impl DoubleEndedIterator<Item = T>, len: usize)