RubyArrays.RubyArrays.RubyArrays.RubyArrays.RubyArrays.RubyArrays.RubyArrays and yields them to the block.RubyArrays.RubyArrays.RubyArrays.RubyArrays.ZipIterable iterates each RubyArray of elements which get the
same indices among all other Lists.ZipIterable.ZipIterator iterates each RubyArray of elements which get the
same indices among all other Lists.ZipIterator.