random

Documentation

Index

• func Array[T any](arr []T) []T
• func Bytes(size int) []byte
• func IsRanded(weight int32, opts ...Option) bool
• func NewLockedSource(seed int64) rand.Source
• func RandomElement[T any](arr []T) T
• func RandomInRange(min, max int64) int64
• func RandomSubset[T int | int32 | int64](min, max T, n int) []T
• func String(size int) string
• type Option
  • func WithRandVal(val int32) Option

Functions

func Array

func Array[T any](arr []T) []T

Array 随机打乱arr的元素

func Bytes

func Bytes(size int) []byte

func IsRanded

func IsRanded(weight int32, opts ...Option) bool

IsRanded 给定权重，判断是否能随机到，默认是万分比随机

func NewLockedSource

func NewLockedSource(seed int64) rand.Source

func RandomElement

func RandomElement[T any](arr []T) T

func RandomInRange

func RandomInRange(min, max int64) int64

func RandomSubset

func RandomSubset[T int | int32 | int64](min, max T, n int) []T

func String

func String(size int) string

Types

type Option

type Option func(o *option)

func WithRandVal

func WithRandVal(val int32) Option