main function
void
main()
Implementation
void main() {
var uuid = Uuid();
print(uuid.v1()); //59976040-a675-11ec-8ee4-1f922f66b681
print(uuid.v4()); //38541b4a-26ee-4a4a-b0d6-e524254ff3b0
print(uuid.v5(Uuid.NAMESPACE_NIL,
"google.com")); //499cd2aa-9aab-5c3d-aff5-7f12306f02fb
}