For implementers, this promise-heavy design constrains optimization opportunities. The spec mandates specific promise resolution ordering, making it difficult to batch operations or skip unnecessary async boundaries without risking subtle compliance failures. There are many hidden internal optimizations that implementers do make but these can be complicated and difficult to get right.
嚴重助長影響黨對軍隊絕對領導、危害黨的執政根基的政治和腐敗問題；
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count[idx]--; // 该值的可用位置-1