FutureAlreadyCompleteException class
Thrown if a completer tries to set the value on a future that is already complete.
class FutureAlreadyCompleteException implements Exception {
FutureAlreadyCompleteException() {}
String toString() => "Exception: future already completed";
}
Implements
Constructors
new FutureAlreadyCompleteException() #
FutureAlreadyCompleteException() {}