ExpandedMapOptionAct
final class ExpandedMapOptionAct[T <: Txn[T], A](in: IExpr[T, Option[A]], it: Expanded[T, A], fun: Act, tx0: T)(val targets: ITargets[T], ctx: Context[T]) extends Option[T] with IActionImpl[T]
trait IActionImpl[T]
trait Option[T]
trait IAction[T]
trait Disposable[T]
trait Form[T]
class Object
trait Matchable
class Any