Method biMap

future-java/src/main/java/io/trane/future/Promise.java:569–580

(final Future<U> other, final BiFunction<? super T, ? super U, ? extends R> f)

  }

  @Override
  public <U, R> Future<R> biMap(final Future<U> other, final BiFunction<? super T, ? super U, ? extends R> f) {
    if (getInterruptHandler() != null)
      return continuation(new BiMap<T, U, R>(other, f) {
        @Override
        protected final InterruptHandler getInterruptHandler() {
          return InterruptHandler.apply(Promise.this, other);
        }
      });
    else
      return continuation(new BiMap<T, U, R>(other, f));
  }

  private static class BiFlatMap<T, U, R> extends Continuation<T, R> {
    private final BiFunction<? super T, ? super U, ? extends Future<R>> f;