CODEWITHSUNDEEP
interfacedart
Daniel Robinson
Daniel Robinson

Reputation: 14878

Dart, Is it possible to pass on the members of an interface implicitly?

In Dart I have a class:

class A implements Iterable<MyType>{

    List<MyType> children;

    //other members for A class

}

Is it possible, without using noSuchMethod, to implicitly forward all of the Iterable<MyType> methods to the List<MyType> children; member?

Upvotes: 1

Views: 164

Answers (1)

Alexandre Ardhuin
Alexandre Ardhuin

Reputation: 76213

AFAIK it's not possible to delegate without noSuchMethod or without implementing all members.

An other way can be to use IterableBase and only implement Iterable.iterator like this :

import 'dart:collection';
class A extends IterableBase<MyType> {
  List<MyType> children;
  Iterator<MyType> get iterator => children.iterator;
}

Note that this could be less performant than implementing and delegating every members directly to children.

Upvotes: 1

Related Questions