Design patterns languages और paradigms के बदलने के साथ विकसित हुए हैं — कुछ classic patterns अब languages में built-in हैं या language features द्वारा अनावश्यक बन गए हैं, जबकि आधुनिक ज़रूरतों (functional, reactive, distributed) के लिए नए patterns उभरे हैं। इस विकास को समझना sophisticated दृष्टिकोण को दर्शाता है।
languages में समाहित classic patterns
Some GoF patterns are now LANGUAGE FEATURES or much simpler:
→ ITERATOR → built-in iteration (for-of, generators) in most languages
→ STRATEGY / Command → first-class FUNCTIONS / lambdas make these trivial (just pass a
function — no need for elaborate class hierarchies)
→ OBSERVER → built-in events, reactive libraries, language features (signals)
→ SINGLETON → modules (a module is effectively a singleton in many languages)
→ functional features (functions as values) simplified many "behavioral" patterns
