combine8<A, B, C, D, E, F, G, H, R> method

CombineLatestStream<dynamic, R> combine8 <A, B, C, D, E, F, G, H, R>(
  1. Stream<A> streamA,
  2. Stream<B> streamB,
  3. Stream<C> streamC,
  4. Stream<D> streamD,
  5. Stream<E> streamE,
  6. Stream<F> streamF,
  7. Stream<G> streamG,
  8. Stream<H> streamH,
  9. R combiner(
    1. A a,
    2. B b,
    3. C c,
    4. D d,
    5. E e,
    6. F f,
    7. G g,
    8. H h
    )
)

Constructs a CombineLatestStream from 8 Streams where combiner is used to create a new event of type R, based on the latest events emitted by the provided Streams.

Implementation

static CombineLatestStream<dynamic, R> combine8<A, B, C, D, E, F, G, H, R>(
  Stream<A> streamA,
  Stream<B> streamB,
  Stream<C> streamC,
  Stream<D> streamD,
  Stream<E> streamE,
  Stream<F> streamF,
  Stream<G> streamG,
  Stream<H> streamH,
  R Function(A a, B b, C c, D d, E e, F f, G g, H h) combiner,
) {
  return CombineLatestStream<dynamic, R>(
    [streamA, streamB, streamC, streamD, streamE, streamF, streamG, streamH],
    (List<dynamic> values) {
      return combiner(
        values[0] as A,
        values[1] as B,
        values[2] as C,
        values[3] as D,
        values[4] as E,
        values[5] as F,
        values[6] as G,
        values[7] as H,
      );
    },
  );
}