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pawelswiecki/typing2_14c.py

Created November 3, 2018 16:10
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typing2_14c.py
class Railroad:
pass
def feed_animal(animal: BaseAnimal):
piece_of_railroad = Railroad()
animal.eat(piece_of_railroad)
lassie = Dog()
feed_animal(lassie) # It's safe, Lassie won't touch it anyway!
# no mypy errors
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