class ObservableListmethod

restrict()

Restricts the type of objects that can be added to this list.

restrict<R extends T>(ObservableObjectClass: {
  new (...args: any[]): R;
}): ObservableList<R>;

Summary

This method can be used to limit the type of objects that can be added to the list: all new objects should inherit from the specified class, otherwise they can’t be added.

Parameters

• ObservableObjectClass — The class that all objects in this list should inherit from

Return value

The list itself, typed using the specified class.

Errors

This method throws an error if the list currently already contains any objects that don’t inherit from the specified class.

Related

• class ObservableList
  A data structure that contains an ordered set of observable objects.