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Discussion on: The Dream of C# 9.0

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ants profile image
ants

As pretty as the discriminated unions are, I was taught that if I am switching based on an object type, it is a code smell that I probably should be using polymorphism and the strategy pattern.

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integerman profile image
Matt Eland Author

And that largely holds true for object-oriented programming. DUs are more for supporting the functional flows of application logic.