package util

import (
	"math/rand"
)

// RandStringRunes 返回随机字符串
func RandStringRunes(n int) string {
	var letterRunes = []rune("1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")

	b := make([]rune, n)
	for i := range b {
		b[i] = letterRunes[rand.Intn(len(letterRunes))]
	}
	return string(b)
}

// ContainsUint 返回list中是否包含
func ContainsUint(s []uint, e uint) bool {
	for _, a := range s {
		if a == e {
			return true
		}
	}
	return false
}

// ContainsString 返回list中是否包含
func ContainsString(s []string, e string) bool {
	for _, a := range s {
		if a == e {
			return true
		}
	}
	return false
}