thanh
10/02/2019, 6:44 AMtype newType = typeA | typeB
?raulraja
10/02/2019, 12:14 PMtypealias NewType = Union<TypeA, TypeB>
val a: NewType = a // or b
val f : TypeA? = a //ok
val g : TypeB? = a //ok
val h : TypeA? = b //ok
val i : TypeB? = b //ok
val z : TypeB? = other // not ok