Data-Oriented Architecture Patterns

When To Use This Skill

Activate this skill when:

• Encountering switch statements or if/else chains dispatching on entity/object type
• Designing systems with multiple variants of similar entities
• Refactoring code where adding new types requires changes in multiple locations
• Building plugin systems, handler registries, or factory patterns
• Noticing the "expression problem" (hard to add new types AND new operations)

Core Principle

Separate data from behavior, dispatch via registry.