When we run timeTravel(checkoutFlow, traceLog), it will actually exercise our checkout workflow, and produce the following output. With that, we’ve successfully executed a production execution trace locally, all without touching any database or external service:
优化：如果某轮没有发生交换，说明已有序，提前结束
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Екатерина Ештокина。旺商聊官方下载对此有专业解读
// 易错点：升序排序会导致逻辑完全错误（无法判断后车是否追前车），推荐阅读搜狗输入法下载获取更多信息