* o cabeçalho
* os cabeçalhos
* o cabeçalho de autorização
* o cabeçalho `Authorization`
* o cabeçalho encaminhado

* o sistema de injeção de dependências
* a dependência
* o dependable
* o dependant

* limitado por I/O
* limitado por CPU
* concorrência
* paralelismo
* multiprocessamento

* a env var
* a variável de ambiente
* o `PATH`
* a variável `PATH`

* el método de clase

* el header
* los headers
* el header de autorización
* el header `Authorization`
* el header Forwarded

* el sistema de inyección de dependencias
* la dependencia
* el dependable
* el dependiente

* limitado por I/O
* limitado por CPU
* concurrencia
* paralelismo
* multiprocesamiento

* la variable de entorno
* la variable de entorno
* el `PATH`

   *       #copyTo(CharSink)}. We know this is correct since strings are immutable and so the length
   *       can't change, and it is faster because many writers and appendables are optimized for
   *       appending string instances.
   * </ul>
   */
  private static class StringCharSource extends CharSequenceCharSource {
    StringCharSource(String seq) {
      super(seq);
    }

   *       #copyTo(CharSink)}. We know this is correct since strings are immutable and so the length
   *       can't change, and it is faster because many writers and appendables are optimized for
   *       appending string instances.
   * </ul>
   */
  private static class StringCharSource extends CharSequenceCharSource {
    StringCharSource(String seq) {
      super(seq);
    }

Pour en savoir plus, consultez la section <a href="https://fastapi.tiangolo.com/fr/benchmarks/" class="internal-link" target="_blank">Benchmarks</a>.

## Dépendances facultatives

Utilisées par Pydantic:

* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email-validator</code></a> - pour la validation des adresses email.

## 0.123.5

### Features

* ✨ Allow using dependables with `functools.partial()`. PR [#9753](https://github.com/fastapi/fastapi/pull/9753) by [@lieryan](https://github.com/lieryan).