Downcasting Is A Code Smell | Code Walks 043
Автор: Christopher Okhravi
Загружено: 2016-10-13
Просмотров: 6392
Описание:
Downcasting is a fundamentally bad idea. In this video I talk about why. First from a theoretical point of view (all cats are animals but not all animals are cats) and then from a pragmatic collaboration perspective (I cannot trust your interface if you are downcasting).
MORE ON TYPE CHECKING
► Type Checking Is A Code Smell ( • Type Checking is a Code Smell | Code Walks... )
► Type Checking and Coupling To Concretions ( • Type Checking is a Code Smell | Code Walks... )
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► TRIPOD: JOBY Gorillapod Zoom http://amzn.to/29AdkHT
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