```var user: User? by Delegates.vetoable(null as U...
# thailandb
bomz
10/31/2016, 5:49 AM Copy code
var user: User? by Delegates.vetoable(null as User?) { ... }bomz
10/31/2016, 5:49 AMvar user: User? by Delegates.vetoable(null as User?) { ... }