Service Design · interview question
What does a strong engineer do when reasoning through service layer code?
Multiple choiceMediumchapter-13-curatedpremiumservice-designservice-layer
class OrderService:
def __init__(self, repo: OrderRepository) -> None:
self._repo = repoAnswer and explanation
Correct answer
D. Narrate the data shape, the state changes, and the exact rule order step by step.
Why
Interviewers often use simple code to test whether you can reason through execution without bluffing.
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