Software Engineer Robert Muth wrote this interesting article on refactoring large functions. The article starts with providing ample motivation for using functions (or methods in a strictly object-oriented context). Apart from making code shareable and reusable, which is only a minor benefit of functions / methods, reasons for writing code as functions are: giving a meaningful name to several lines of related code readability limiting visibility lowering indentation levels improving testability The article goes on to describe several common cues indicating that extracting the code at hand to ... Read more