override fun decode(reader: DerReader): T {
          return reader.withTypeHint {
            val list = mutableListOf<Any?>()

            while (list.size < members.size) {
              val member = members[list.size]
              list += member.fromDer(reader)
            }

            if (reader.hasNext()) {
              throw ProtocolException("unexpected ${reader.peekHeader()} at $reader")

```JSON
{
  "title": "towel",
  "size": "XL"
}
```

你會收到一個告知資料無效、且包含所收到 body 的回應：

```JSON hl_lines="12-15"
{
  "detail": [
    {
      "loc": [
        "body",
        "size"
      ],
      "msg": "value is not a valid integer",
      "type": "type_error.integer"
    }
  ],
  "body": {
    "title": "towel",
    "size": "XL"
  }
}
```

  }

  override fun call(): Call = call

  override fun request(): Request = request

  @Throws(IOException::class)
  override fun proceed(request: Request): Response {
    check(index < interceptors.size)

    calls++

    if (exchange != null) {
      check(exchange.finder.routePlanner.sameHostAndPort(request.url)) {
        "network interceptor ${interceptors[index - 1]} must retain the same host and port"

	random, err := sioutil.Random(randSize)
	if err != nil {
		return DEK{}, err
	}
	iv, nonce := random[:16], random[16:]

	prf := hmac.New(sha256.New, s.key)
	prf.Write(iv)
	key := prf.Sum(make([]byte, 0, prf.Size()))

	block, err := aes.NewCipher(key)
	if err != nil {
		return DEK{}, err
	}
	aead, err := cipher.NewGCM(block)
	if err != nil {
		return DEK{}, err
	}

        }

        if (_specification != null) {
            builder.setFetchSource(_specification.columnList.toArray(new String[_specification.columnList.size()]), null);
        }

        return builder;
    }

    // ===================================================================================

    this.prototype = getMac(algorithmName, key);
    this.key = checkNotNull(key);
    this.toString = checkNotNull(toString);
    this.bits = prototype.getMacLength() * Byte.SIZE;
    this.supportsClone = supportsClone(prototype);
  }

  @Override
  public int bits() {
    return bits;
  }

  private static boolean supportsClone(Mac mac) {
    try {

            listOf("Errors" to errors, "Warnings" to warnings, "Information" to information, "Accepted" to accepted).forEach { (name, list) ->
                if (list.isNotEmpty()) {
                    append("  $name (").append(list.size).append(")\n")
                    append(list.joinToString(separator = "\n    ", prefix = "    ", postfix = "\n"))
                }
            }
        }.toString()

{* ../../docs_src/query_param_models/tutorial001_an_py310.py hl[9:13,17] *}

**FastAPI**, request’teki **query parameter**’lardan **her field** için veriyi **extract** eder ve tanımladığınız Pydantic model’i size verir.

## Dokümanları Kontrol Edin { #check-the-docs }

Query parameter’ları `/docs` altındaki dokümantasyon arayüzünde görebilirsiniz:

<div class="screenshot">

///

/// note | Teknik Detaylar

`from starlette.responses import JSONResponse` da kullanabilirsiniz.

**FastAPI**, geliştirici olarak size kolaylık olsun diye `starlette.responses` içindekileri `fastapi.responses` altında da sunar. Ancak mevcut response'ların çoğu doğrudan Starlette'ten gelir. `status` için de aynı durum geçerlidir.

///

     *
     * @param <K> the key type of {@link IdentityHashMap}
     * @param <V> the value type of {@link IdentityHashMap}
     * @param expectedMaxSize the expected maximum size of the map
     * @return a new instance of {@link IdentityHashMap}
     * @see IdentityHashMap#IdentityHashMap(int)
     */
    public static <K, V> IdentityHashMap<K, V> newIdentityHashMap(final int expectedMaxSize) {