int ilen = data.length, olen = out.length;
        int msbit = ((ilen << 3) - 1 + ((ilen << 3) + 13) * (i / ilen) + (ilen - i % ilen << 3)) % (ilen << 3);
        int mshigh = msbit >>> 3, mslow = msbit & 7;
        int b = c + (out[i % olen] & 0xff)
                + (((data[(ilen - 1 - mshigh) % ilen] & 0xff) << 8 | data[(ilen - mshigh) % ilen] & 0xff) >>> mslow + 1 & 0xff);

     * @param ki the starting offset in the key array
     * @param klen the length of the key to use
     */
    public void init(final byte[] key, final int ki, final int klen) {
        s = new byte[256];

        for (i = 0; i < 256; i++) {
            s[i] = (byte) i;
        }

        for (i = j = 0; i < 256; i++) {
            j = j + key[ki + i % klen] + s[i] & 0xff;
            final byte t = s[i];
            s[i] = s[j];

{* ../../docs_src/background_tasks/tutorial002.py hl[13,15,22,25] *}

Dans cet exemple, les messages seront écrits dans le fichier `log.txt` après que la réponse soit envoyée.

S'il y avait une `query` (paramètre nommé `q`) dans la requête, alors elle sera écrite dans `log.txt` via une tâche d'arrière-plan.

      }

      // Copy the replacement string into the dest buffer as needed.
      if (rlen > 0) {
        System.arraycopy(r, 0, dest, destIndex, rlen);
        destIndex += rlen;
      }
      lastEscape = index + 1;
    }

    // Copy leftover characters if there are any.
    int charsLeft = slen - lastEscape;
    if (charsLeft > 0) {
      int sizeNeeded = destIndex + charsLeft;

        }
        if (elements.length > 0) {
          multiset1.add(elements[0]);
        }
        if (elements.length > 1) {
          /*
           * When a test requests a multiset with duplicates, our plan of
           * "add an extra item 0 to A and an extra item 1 to B" really means
           * "add an extra item 0 to A and B," which isn't what we want.
           */
          if (!Objects.equals(elements[0], elements[1])) {

        canceled -> {
          events += "plan $id TCP connect canceled"
          ConnectResult(this, nextPlan = connectTcpNextPlan, throwable = IOException("canceled"))
        }
        connectTcpNextPlan != null -> {
          events += "plan $id needs follow-up"
          ConnectResult(this, nextPlan = connectTcpNextPlan)
        }
        else -> {
          events += "plan $id TCP connected"

    while (true) {
      if (routePlanner.isCanceled()) throw IOException("Canceled")

      try {
        val plan = routePlanner.plan()

        if (!plan.isReady) {
          val tcpConnectResult = plan.connectTcp()
          val connectResult =
            when {
              tcpConnectResult.isSuccess -> plan.connectTlsEtc()
              else -> tcpConnectResult
            }

 */
class ForceConnectRoutePlanner(
  private val delegate: RealRoutePlanner,
) : RoutePlanner by delegate {
  override fun plan(): RoutePlanner.Plan = delegate.planConnect() // not delegate.plan()

        if (buf.length < i + len) {
            throw new IllegalArgumentException();
        }
        final byte[] bo = new byte[len];
        System.arraycopy(buf, i, bo, 0, len);
        i += len;
        this.oid = ASN1ObjectIdentifier.getInstance(bo);

        // NAME_LEN
        if (buf.length < i + NAME_LEN_SIZE) {
            throw new IllegalArgumentException();
        }
        len = 0xff000000 & buf[i++] << 24;

	return func(yield func([]byte) bool) {
		if len(sep) == 0 {
			for len(s) > 0 {
				_, size := utf8.DecodeRune(s)
				if !yield(s[:size:size]) {
					return
				}
				s = s[size:]
			}
			return
		}
		for {
			i := Index(s, sep)
			if i < 0 {
				break
			}
			frag := s[:i+sepSave]
			if !yield(frag[:len(frag):len(frag)]) {
				return
			}
			s = s[i+len(sep):]
		}
		yield(s[:len(s):len(s)])
	}