sortedById method
Implementation
ObservableList<P> sortedById() {
return ObservableList.of(
this..sort((a, b) => a.id.compareTo(b.id)),
);
}
ObservableList<P> sortedById() {
return ObservableList.of(
this..sort((a, b) => a.id.compareTo(b.id)),
);
}