Like ObservableMap.from
, but creates an empty map.
factory ObservableMap.createFromType(Map<K, V> other) {
ObservableMap result;
if (other is SplayTreeMap) {
result = new ObservableMap<K, V>.sorted();
} else if (other is LinkedHashMap) {
result = new ObservableMap<K, V>.linked();
} else {
result = new ObservableMap<K, V>();
}
return result;
}