Корутины №1

runBlocking {
            val firstRefs = (1..threadsCount).mapNotNull { articles.poll() }
            for (element in firstRefs) {
                if (element.first == HITLER) {
                    return@runBlocking element.second
                }
            }
            val flags = mutableListOf<Boolean>()
            val coroutines = Array<Job?>(firstRefs.size) { null }
            for (i in firstRefs.indices) {
                coroutines[i] = async { processRefs(articles, firstRefs[i].first, firstRefs[i].second, flags) }
            }
            for (i in firstRefs.indices) {
                coroutines[i]?.join()
            }

            if (true in flags) {
                val index = flags.indexOfFirst { true }
                return@runBlocking firstRefs[index].second + 1
            }
            else {

            }
        }

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fun processRefs(articles: Queue<Pair<String, Int>>, ref: String, priority: Int, flags: MutableList<Boolean>) {
    val wikipediaPages = searchRefs(getHtmlDocument(ref))
    for (page in wikipediaPages) {
        if (page == HITLER) {
            flags.add(true)
            return
        }
        articles.add(Pair(page, priority + 1))
    }
    flags.add(false)
}