Code Safety · interview question
A senior interviewer asks for one tradeoff behind mutation and copying. What is the strongest follow-up?
Multiple choiceHardchapter-3-curatedpremiumcode-safetymutation-and-copying
Answer and explanation
Correct answer
A. State the benefit, the cost, and the condition under which you would choose a different approach.
Why
Tradeoff language is one of the clearest signals that you understand more than the surface API.
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