I am a strong believer in static typing. But I enjoy dynamic types in, for example, Lisp for solving certain problems. When working on a large codebase mainta

I am a strong believer in static typing. But I enjoy dynamic types in, for example, Lisp for solving certain problems. When working on a large codebase maintained over years and years, I appreciate static types -- especially when it comes to using refactoring tools, like in Eclipse or similar IDEs.