package services import ( "math/rand" ) var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") func RandString(length int) string { builder := make([]rune, length) for i := range builder { builder[i] = letters[rand.Intn(len(letters))] } return string(builder) }