Tech LeadTech Lead (8–12 yrs)InfosysTCS
Follow-up question
Follow-up
How would you test dataclasses and __slots__?
How would you test dataclasses and __slots__?
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How to answer this follow-up
Use the parent topic “dataclasses and __slots__” as context. Cover testing approach, production metrics, or scale impact as asked — then refine with AI Mentor below.
Parent context — dataclasses and __slots__
Scenario: DTO layer: @dataclass(slots=True) OrderItem(sku: str, qty: int, price: Decimal). Implementation notes: Use field(default_factory=list); kw_only=True for clarity in large models.
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