for and while aren't generic in the context of collections. It's very obvious what for item in itemsList: doSomething(item) means. In any case I think m

for and while aren't generic in the context of collections. It's very obvious what for item in itemsList: doSomething(item) means. In any case I think map etc. are perfectly ok but it gets tricky when you talk about Options, Futures, Either etc. since I would argue most people don't immediately see how "looping" (I know it's not really looping) can apply here.