Callable objects approach vs nested scope approach to create higher order functions - python

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If I am not wrong, there are two ways to create higher-order functions in python - using callable objects and nested scopes. Which one is more efficient?
Jul 25 in Python by Jaggu
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1 answer to this question.

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Using callable objects has a disadvantage over using nested scopes as the code is generally longer and works slower. But it has an advantage as a collection of callables can share their signature via inheritance. The best practice would be to analyze the situation and use the best approach.
answered Jul 25 by Vivan

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