public static Node flatMap4()

in src/main/java/com/twitter/nodes/Node.java [1079:1089]


  public static <T, A, B, C, D> Node<T> flatMap4(
      String name,
      Node<A> aNode, Node<B> bNode, Node<C> cNode, Node<D> dNode,
      Function4<Future<T>, A, B, C, D> func) {
    return new Node<T>(name, aNode, bNode, cNode, dNode) {
      @Override
      protected Future<T> evaluate() throws Exception {
        return func.apply(aNode.emit(), bNode.emit(), cNode.emit(), dNode.emit());
      }
    };
  }