Type check with Extended class

main.dart

class BaseClass {}

class ExtendedClass extends BaseClass {}

class OtherClass {}

void main() {
  final baseClass = BaseClass();
  final extendedClass = ExtendedClass();

  print(extendedClass is BaseClass); // true

  final otherClass = OtherClass();

  print(otherClass is BaseClass); // false
}