https://hex-go.github.io/tags/slice/Recent content in Slice on Hex BlogHugo -- gohugo.iozhhex-py@gmail.com (Hex)hex-py@gmail.com (Hex)©2026, All Rights ReservedTue, 22 Sep 2020 07:23:34 +0000https://hex-go.github.io/posts/golang/2020-09-22-go-slice-%E5%88%87%E7%89%87%E6%93%8D%E4%BD%9C%E6%B1%87%E6%80%BB/Tue, 22 Sep 2020 07:23:34 +0000hex-py@gmail.com (Hex)Tue, 22 Sep 2020 07:23:34 +0000https://hex-go.github.io/posts/golang/2020-09-22-go-slice-%E5%88%87%E7%89%87%E6%93%8D%E4%BD%9C%E6%B1%87%E6%80%BB/重要 切片底层是 ptr + len + cap 三元组。理解容量变化规则（翻倍扩容、子切片共享底层数组）是避免内存泄漏和意外修改的关键。 1. 创建 方式 代码 len cap 说明 字面量HexGoSliceGolang