A practical guide to implementing six classic Gang of Four design patterns in idiomatic Ruby: Factory, Builder, Adapter, Decorator, Proxy, and Facade. Each pattern is shown with concise Ruby code that leverages language features like duck typing, modules, tap, and SimpleDelegator to eliminate boilerplate common in Java or C++ implementations. The post emphasizes Ruby's preference for composition over inheritance as the unifying theme across all patterns.
Table of contents
Build Maps Without Google APIsFactory PatternBuilder PatternAdapter PatternDecorator PatternProxy PatternFacade PatternRuby’s Secret Weapon: CompositionLooking Ahead410 Impressions