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design-patterns-cpp/decorator
Jakub Vojvoda c7712573a0 update READMEs
2016-09-15 21:14:18 +02:00
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2016-09-15 21:14:18 +02:00

Decorator

Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclassing for extending functionality. The pattern has structural purpose and applies to objects.

When to use

  • to add responsibilities to individual objects dynamically and transparently, that is, without affecting other objects
  • for responsibilities that can be withdrawn
  • when extension by subclassing is impractical