WRITING / ENGINEERING NOTES

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Architecture decisions, implementation details and lessons from real projects—not a list of technology buzzwords.

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2025

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    Go Slice 核心机制:len、cap 与底层的暗坑

    从 SliceHeader 结构体出发,讲清 Go slice 的 len 与 cap 边界、append 的扩容与原地改写行为,以及共享底层数组引发的两类经典暗坑,并给出复制与完整切片表达式两种隔离方案。

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