```
sealed class A (val message: String) {
dat...
# announcementst
tgirard12
10/02/2017, 9:04 AM Copy code
sealed class A (val message: String) {
data class B (override val message: String) : A (message)
}tgirard12
10/02/2017, 9:04 AMsealed class A (val message: String) {
data class B (override val message: String) : A (message)
}