rand

Documentation

Overview

Package rand random digit

Index

• func Intn(n int) int
• func SelectWeightedRandItem(scalableRand *ScalableRand, slice WeightedSlice) int
• type ScalableRand
  • func NewScalableRand() *ScalableRand
  • func (s *ScalableRand) Intn(n int) int
• type WeightedSlice

Functions

func Intn

func Intn(n int) int

Intn 返回全局随机数

func SelectWeightedRandItem

func SelectWeightedRandItem(scalableRand *ScalableRand, slice WeightedSlice) int

SelectWeightedRandItem 通过随机权重算法选择值

Types

type ScalableRand

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

ScalableRand 可水平扩展的随机数发生器

func NewScalableRand

func NewScalableRand() *ScalableRand

NewScalableRand 初始化随机数发生器

func (*ScalableRand) Intn

func (s *ScalableRand) Intn(n int) int

Intn 获取随机数

type WeightedSlice

type WeightedSlice interface {
	search.SearchableSlice
	// TotalWeight 获取总权重值
	TotalWeight() int
}

WeightedSlice 带权重的数组