It accepts any function that returns IAnimal, not just factories. This can be risky in the long run.
This is no different from the factory pattern, which accepts any object that implements IAnimalFactory. I don't think there's any risk involved.
IAnimalFactory
This will eventually end up writing plenty of duplicate code
I don't follow you. How does the factory pattern (or my functional version of it) lead to duplicate code? An example might help.
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This is no different from the factory pattern, which accepts any object that implements
IAnimalFactory. I don't think there's any risk involved.I don't follow you. How does the factory pattern (or my functional version of it) lead to duplicate code? An example might help.