Code Safety · interview question
Another engineer will maintain this code later. What choice helps the most around mutation and copying?
Multiple choiceHardchapter-3-curatedpremiumcode-safetymutation-and-copying
Answer and explanation
Correct answer
C. Make the rule obvious in names, flow, and boundaries so the next reader does not have to reverse-engineer your intent.
Why
Maintainability comes from explicit intent. Candidates who speak clearly about mutation sound safer to trust with data-heavy systems.
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