package local import "math/rand" var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") func id() string { b := make([]rune, 10) for i := range b { b[i] = letterRunes[rand.Intn(len(letterRunes))] } return string(b) }