This function assumes that array1 and array2 contain no more than N non-empty elements between them,
if this is not the case then elements from the end of array2 will be dropped.
Danger: This is only safe to call if the input arrays have been "validated" (dense lhs, empty rhs).
This function assumes that
array1andarray2contain no more than N non-empty elements between them, if this is not the case then elements from the end ofarray2will be dropped. Danger: This is only safe to call if the input arrays have been "validated" (dense lhs, empty rhs).