Function array_partial_cmp 

pub fn array_partial_cmp<A>(
    array: &A,
    reflect: &(dyn PartialReflect + 'static),
) -> Option<Ordering>
where
    A: Array + ?Sized,

Lexicographically compares two arrays and returns their ordering.

Returns None if the comparison couldn’t be performed (e.g., kinds mismatch or an element comparison returns None).