package object import ( "math/rand" "strconv" ) func Key(prefix string, object Component) string { p := len(prefix) buffer := make([]byte, p+1, p+9) copy(buffer, []byte(prefix)) buffer[p] = '-' dst := strconv.AppendUint(buffer, uint64(object.ID()), 16) return string(dst) } func ID() uint { return uint(rand.Int63n(0xFFFFFFFF)) }