That makes sense. My immediate reaction is: 1) focus on business logic: is your code "about" sorting and allocation, or could you treat those as built-ins? 2)

That makes sense. My immediate reaction is: 1) focus on business logic: is your code "about" sorting and allocation, or could you treat those as built-ins? 2) It's OK if a function is calling other functions. The point is that it's a business-logic-level unit of functionality, which is smaller than a module or so. Ymmv. Maybe we should read the scriptures.