Refactoring

Learn how to turn even the most chaotic software into efficient, easy-to-maintain systems through a step-by-step process of refactoring. This extensively updated guide, written with Ruby examples and idioms, features over 70 proven Ruby refactorings with guidance on when to apply each of them, specific instructions, and example code. You'll learn to recognize "bad smells" in your code, rework bad designs into well-designed code, build tests, simplify conditional expressions, and much more. Whether you're a programmer or maintaining Ruby code, this authoritative resource is essential.