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Index ¶
Constants ¶
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Functions ¶
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Types ¶
type XRand ¶
func (*XRand) Hit ¶
Hit 用于指定一个数 `num` 和总数 `total` ,往往 num<=total,并随机计算是否满足 num/total 的概率。 `randTimes` 取多少次随机值?(一般取3~5次) 例如,Hit(1, 100)将会随机计算是否满足百分之一的概率。
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