What is the Kotlin double-bang (!!) operator?
This is unsafe nullable type (T?) conversion to a non-nullable type (T), !! will throw NullPointerException if the value is null. It is documented here along with Kotlin means of null-safety.
This is unsafe nullable type (T?) conversion to a non-nullable type (T), !! will throw NullPointerException if the value is null. It is documented here along with Kotlin means of null-safety.