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wisecsj / wisecsj.github.io

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Go中如何生成区间随机数 #5

Open wisecsj opened 5 years ago

wisecsj commented 5 years ago 
func RandInt64(min, max int64) int64 {
    if min >= max || min == 0 || max == 0 {
        return max
    }
    return rand.Int63n(max-min) + min
}
wisecsj commented 5 years ago

左闭右开 [min,max)