# Geschichte, Design und Zukunft { #history-design-and-future }

Vor einiger Zeit fragte <a href="https://github.com/fastapi/fastapi/issues/3#issuecomment-454956920" class="external-link" target="_blank">ein **FastAPI**-Benutzer</a>:

> Was ist die Geschichte dieses Projekts? Es scheint aus dem Nichts in ein paar Wochen zu etwas Großartigem geworden zu sein [...]

Hier ist ein wenig über diese Geschichte.

## Alternativen { #alternatives }

---

So helfen Sie anderen bei Fragen (in Diskussionen oder Issues):

### Die Frage verstehen { #understand-the-question }

* Prüfen Sie, ob Sie verstehen können, was der **Zweck** und der Anwendungsfall der fragenden Person ist.

* Überprüfen Sie dann, ob die Frage (die überwiegende Mehrheit sind Fragen) **klar** ist.

Você vai com seu _crush_ na lanchonete paralela.

Você fica na fila enquanto vários (vamos dizer 8) caixas que também são cozinheiros pegam os pedidos das pessoas na sua frente.

Todo mundo na sua frente está esperando seus hambúrgueres ficarem prontos antes de deixar o caixa porque cada um dos 8 caixas vai e prepara o hambúrguer logo após receber o pedido, antes de pegar o próximo pedido.

### Hamburguesas Concurrentes { #concurrent-burgers }

Vas con tu crush a conseguir comida rápida, te pones en fila mientras el cajero toma los pedidos de las personas frente a ti. 😍

<img src="/img/async/concurrent-burgers/concurrent-burgers-01.png" class="illustration">

Luego es tu turno, haces tu pedido de 2 hamburguesas muy sofisticadas para tu crush y para ti. 🍔🍔

        final int fraglen = Encdec.dec_uint16le(inB, 8);
        if (fraglen > getMaxRecv()) {
            throw new IOException("Unexpected fragment length: " + fraglen);
        }

        while (have < fraglen) {
            final int r = this.handle.recv(inB, have, fraglen - have);
            if (r == 0) {
                throw new IOException("Unexpected EOF");

		// second return value is "more", not "ok"
		frame, _ := frames.Next()
		if (!strings.HasPrefix(frame.File, gormSourceDir) ||
			strings.HasSuffix(frame.File, "_test.go")) && !strings.HasSuffix(frame.File, ".gen.go") {
			return frame
		}
	}

	return runtime.Frame{}
}

// FileWithLineNum return the file name and line number of the current file
func FileWithLineNum() string {
	frame := CallerFrame()
	if frame.PC != 0 {

## Créer une Pull Request

Vous pouvez <a href="https://github.com/fastapi/fastapi" class="external-link" target="_blank">créer une Pull Request</a>, par exemple :

* Pour corriger une faute de frappe que vous avez trouvée sur la documentation.
* Proposer de nouvelles sections de documentation.
* Pour corriger une Issue/Bug existant.
* Pour ajouter une nouvelle fonctionnalité.

## Parrainer l'auteur

      reason: String,
    )
  }

  /**
   * Process the next protocol frame.
   *
   *  * If it is a control frame this will result in a single call to [FrameCallback].
   *  * If it is a message frame this will result in a single call to [FrameCallback.onReadMessage].
   *    If the message spans multiple frames, each interleaved control frame will result in a
   *    corresponding call to [FrameCallback].
   */

    // Write the first headers frame.
    writeMedium(frame, Http2.INITIAL_MAX_FRAME_SIZE)
    frame.writeByte(Http2.TYPE_HEADERS)
    frame.writeByte(FLAG_NONE)
    frame.writeInt(expectedStreamId and 0x7fffffff)
    frame.write(headerBlock, Http2.INITIAL_MAX_FRAME_SIZE.toLong())

    // Write the continuation frame, specifying no more frames are expected.
    writeMedium(frame, headerBlock.size.toInt())

  /** Byte 0 reserved flag 3. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV3 = 16

  /** Byte 0 mask for the frame opcode. */
  internal const val B0_MASK_OPCODE = 15

  /** Flag in the opcode which indicates a control frame. */
  internal const val OPCODE_FLAG_CONTROL = 8

  /**
   * Byte 1 flag for whether the payload data is masked.
   *
   * If this flag is set, the next four