bloom

package

v0.0.0-...-74dcdd4 Latest Latest Go to latest Published: May 20, 2023 License: MIT Imports: 2 Imported by: 0

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type Filter struct {
	// contains filtered or unexported fields
}

Filter 布隆过滤器

func NewFilter(n int, p float64) *Filter

NewFilter 初始化一个布隆过滤器; 指定预期样本量n，指定预期失误率p

func (bf *Filter) Add(element string)

Add 往布隆过滤器中添加一个元素

func (bf *Filter) Contains(element string) bool

Contains 检查元素是否可能存在于布隆过滤器中

func (bf *Filter) P() float64

P 获取布隆过滤器的真实失误率