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golang: makeASCIISet 和 contains 方法. 妙!

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  •   uncat · Oct 24, 2019 · 1111 views
    This topic created in 2423 days ago, the information mentioned may be changed or developed.
    • 一个比特位代表一个 ASCII 字符. 用于构建快速查询的表. 比如切割开头的指定字符集.
    • asciiset 数组的前 4 位. 用于对应 0-31 32-63 64-95 96-127 的所有 ASCII 字符.
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