Code Safety · interview question
Which option treats mutation and copying as an engineering policy decision instead of a syntax trick?
Multiple choiceHardchapter-3-curatedpremiumcode-safetymutation-and-copying
Answer and explanation
Correct answer
B. Use it to make the operational rule explicit, observable, and maintainable under real workload conditions.
Why
Senior answers focus on ownership, reliability, and maintainability rather than only API recall.
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