Refactoring · interview question
What assumption should be made explicit when working with types during refactors?
Multiple choiceHardchapter-10-curatedpremiumrefactoringtypes-during-refactors
Answer and explanation
Correct answer
C. The expected data shape, boundary rule, or invariant that the rest of the code depends on staying true.
Why
Once assumptions are explicit, bugs are easier to detect and test cases are easier to design.
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