### Outras funções de utilidade

Qualquer outra função de utilidade que você chame diretamente pode ser criada com `def` normal ou `async def` e o FastAPI não irá afetar o modo como você a chama.

Isso está em contraste às funções que o FastAPI chama para você: *funções de operação de rota* e dependências.

        ),
    ] = None,
    title: Annotated[
        Optional[str],
        Doc(
            """
            Human-readable title.
            """
        ),
    ] = None,
    description: Annotated[
        Optional[str],
        Doc(
            """
            Human-readable description.
            """
        ),
    ] = None,
    gt: Annotated[
        Optional[float],
        Doc(

<abbr title="too long; didn't read"><strong>TL;DR:</strong></abbr>

Eğer `await` ile çağrılması gerektiğini belirten üçüncü taraf kütüphaneleri kullanıyorsanız, örneğin:

```Python
results = await some_library()
```

O zaman *path operasyon fonksiyonunu* `async def` ile tanımlayın örneğin:

```Python hl_lines="2"
@app.get('/')
async def read_results():
    results = await some_library()
    return results
```

!!! note "Not"

 * limitations under the License.
 */
package okhttp3.logging.internal

import java.io.EOFException
import okio.Buffer

/**
 * Returns true if the body in question probably contains human readable text. Uses a small
 * sample of code points to detect unicode control characters commonly used in binary file
 * signatures.
 */
fun Buffer.isProbablyUtf8(): Boolean {
  try {
    val prefix = Buffer()

  // This field cannot be empty for new Events and it can have at most 128 characters.
  optional string action = 6;

  // reason is why the action was taken. It is human-readable.
  // This field cannot be empty for new Events and it can have at most 128 characters.
  optional string reason = 7;

  // This field can have at most 128 characters.
  // +optional
  optional string action = 6;

  // reason is why the action was taken. It is human-readable.
  // This field can have at most 128 characters.
  // +optional
  optional string reason = 7;

  // regarding contains the object this Event is about. In most cases it's an Object reporting controller

      }
    }

    for (i in FLAGS.indices) { // Fill in holes with binary representation.
      if (FLAGS[i] == null) FLAGS[i] = BINARY[i]
    }
  }

  /**
   * Returns a human-readable representation of HTTP/2 frame headers.
   *
   * The format is:
   *
   * ```
   * direction streamID length type flags
   * ```
   *
   * Where direction is `<<` for inbound and `>>` for outbound.

  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 4;

  // Unique, one-word, CamelCase reason for the condition's last transition.
  // +optional
  optional string reason = 5;

  // Human-readable message indicating details about last transition.
  // +optional
  optional string message = 6;
}

// CarpList is a list of Carps.
message CarpList {
  // Standard list metadata.

=== "Python 3.8+"

    ```Python hl_lines="5  22"
    {!> ../../../docs_src/encoder/tutorial001.py!}
    ```

Neste exemplo, ele converteria o modelo Pydantic em um `dict`, e o `datetime` em um `str`.

O resultado de chamar a função é algo que pode ser codificado com o padrão do Python <a href="https://docs.python.org/3/library/json.html#json.dumps" class="external-link" target="_blank">`json.dumps()`</a>.

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