A few questions: Are there any good examples of code written in this style (e.g. by Carmack or Blow)? When I tried this style, I would frequently end up with 800+ line functions: is this what the code is supposed to look like in the end, or should I be refactoring earlier? When I do end up refactoring, it's often hard to switch to a functional style. There are complex dependencies between the different "minor" functions, and the easiest route forward seems to be to replace the function with a class: minor functions become methods, and the function-level local variables become instance variables, etc. Also, this is a small issue, but how do you deal with minor functions that "return" variables? I typically wrap the minor functions in brackets, and I declare the "returned" values as local variables right before opening bracket, but it looks strange.