func (s Stamps) New(id string) string {
	mu.Lock()
	defer mu.Unlock()

	source, ok := s[id]
	if !ok {
		panic(id)
	}
	return source[rand.Intn(len(source))]
}
// New creates a new stamp
New creates a new stamp
// New creates a new stamp
func (s Stamps) New(id string) string {
	mu.Lock()
	defer mu.Unlock()
	source, ok := s[id]
	if !ok {
		panic(id)
	}
	return source[rand.Intn(len(source))]
}
func ( s Stamps ) New ( id string ) string { mu . Lock ( ) defer mu . Unlock ( ) source , ok := s [ id ] if ! ok { panic ( id ) } return source [ rand . Intn ( len ( source ) ) ] }
New creates a new stamp
New creates a new stamp