Don't Repeat Yourself

functional collections are safe to reuse elements in multiple collections right you don't have to worry about oh if I don't create a brand new element for this collection if that gets changed it gets changed in all collections. You just simply can't change it so that gives you know a lot of leverage to how you can actually implement and derive new collections from existing collection so forthSo big advantages well let's talk for a bit about one other topic that you provided extensive insight into in our book strategic monoliths and microservices, which is the dry principle do not don't repeat yourself.