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layout, title, folder, permalink, categories, language, tags
| layout | title | folder | permalink | categories | language | tags | |
|---|---|---|---|---|---|---|---|
| pattern | Double Dispatch | double-dispatch | /patterns/double-dispatch/ | Idiom | en |
|
Intent
Double Dispatch pattern is a way to create maintainable dynamic behavior based on receiver and parameter types.
Class diagram
Applicability
Use the Double Dispatch pattern when
- the dynamic behavior is not defined only based on receiving object's type but also on the receiving method's parameter type.