Method ambArray

src/main/java/io/reactivex/rxjava3/core/Single.java:158–173

Runs multiple SingleSources and signals the events of the first one that signals (disposing the rest). Scheduler: ambArray

(@NonNull SingleSource<? extends T>... sources)

     * @since 2.0
     */
    @CheckReturnValue
    @SchedulerSupport(SchedulerSupport.NONE)
    @SafeVarargs
    @NonNull
    public static <@NonNull T> Single<T> ambArray(@NonNull SingleSource<? extends T>... sources) {
        Objects.requireNonNull(sources, "sources is null");
        if (sources.length == 0) {
            return error(SingleInternalHelper.emptyThrower());
        }
        if (sources.length == 1) {
            @SuppressWarnings("unchecked")
            SingleSource<T> source = (SingleSource<T>)sources[0];
            return wrap(source);
        }
        return RxJavaPlugins.onAssembly(new SingleAmb<>(sources, null));
    }

    /**
     * Concatenate the single values, in a non-overlapping fashion, of the {@link SingleSource}s provided by