with2<T, A, B, R> static method

WithLatestFromStreamTransformer<T, dynamic, R> with2<T, A, B, R>(
  1. Stream<A> latestFromStream1,
  2. Stream<B> latestFromStream2,
  3. R fn(
    1. T t,
    2. A a,
    3. B b
    )
)

Constructs a StreamTransformer that emits when the source Stream emits, combining the latest values from all latestFromStreams using the provided function fn.

Implementation

static WithLatestFromStreamTransformer<T, dynamic, R> with2<T, A, B, R>(
  Stream<A> latestFromStream1,
  Stream<B> latestFromStream2,
  R Function(T t, A a, B b) fn,
) =>
    WithLatestFromStreamTransformer<T, dynamic, R>(
      [latestFromStream1, latestFromStream2],
      (s, values) => fn(s, values[0] as A, values[1] as B),
    );