The series of Command objects generated by the pipeline is then run by an interpreter using runEffect(checkoutFlow(cartSummary)). Because our business logic consists of pure functions that interact with the world only through data, we can record those interactions simply by adding a few hooks for services like OpenTelemetry. And if we can record them, we can replay them deterministically. Best of all, there’s no need to mock a single database or external service.
这一突破曾直接触发英伟达股价一度暴跌17%，单日市值蒸发6000亿美元，也让市场开始重新审视“算力需求永无止境”的合理性。
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Author(s): Mona Vishwakarma, Debdip Bhandary
这种模式下，船公司与市场基本就“绝缘”了，看似旱涝保收，实则失去了对市场最敏锐的触觉，把做品牌降级成了卖库存。