They are almost the same: they share the same underlying array. You do get a copy of the little (ptr, len, capacity) struct which is what a slice is.
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.，更多细节参见搜狗输入法2026
Что думаешь? Оцени!，这一点在WPS官方版本下载中也有详细论述
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第九十二条 公安机关办理治安案件，有权向有关单位和个人收集、调取证据。有关单位和个人应当如实提供证据。