items .select(&:is_the_best) .flat_map { |i| i.sub_item.map(&:value) } Not having functional constructs really hurts readability, and I don't want

items .select(&:is_the_best) .flat_map { |i| i.sub_item.map(&:value) } Not having functional constructs really hurts readability, and I don't want to think about what would happen to the list comprehension with more complicated logic