* splitter can extract adjacent substrings of a given {@linkplain #fixedLength fixed length}.
 *
 * <p>For example, this expression:
 *
 * {@snippet :
 * Splitter.on(',').split("foo,bar,qux")
 * }
 *
 * ... produces an {@code Iterable} containing {@code "foo"}, {@code "bar"} and {@code "qux"}, in
 * that order.
 *
 * <p>By default, {@code Splitter}'s behavior is simplistic and unassuming. The following
 * expression:
 *

* Si no puedes entender la pregunta, pide más **detalles**.

### Reproduce el problema { #reproduce-the-problem }

En la mayoría de los casos y preguntas hay algo relacionado con el **código original** de la persona.

     * such classes, this method always returns an empty string. But under some version of Java,
     * {@code class.getPackage().getName()} produces a {@code NullPointerException} because {@code
     * class.getPackage()} returns {@code null}.
     */
    public String getPackageName() {
      return Reflection.getPackageName(className);
    }

    /**

herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions. 6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file. 7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor...

   *
   * <p><b>Performance note:</b> the instance returned is a singleton.
   */
  @SuppressWarnings({"unchecked"}) // fully variant implementation (never actually produces any Es)
  public static <E> ImmutableSet<E> of() {
    return (ImmutableSet<E>) RegularImmutableSet.EMPTY;
  }

  /**
   * Returns an immutable set containing the given element. Preferred over {@link

  /**
   * Reads the contents of this byte source using the given {@code processor} to process bytes as
   * they are read. Stops when all bytes have been read or the consumer returns {@code false}.
   * Returns the result produced by the processor.
   *
   * @throws IOException if an I/O error occurs while reading from this source or if {@code
   *     processor} throws an {@code IOException}
   * @since 16.0
   */

  // Condition.await() tests

  /*
   * RE: the WaitNotInLoop warnings:
   *
   * Our tests for awaitUninterruptibly are written under the assumption that no spurious wakeups
   * occur except for those produced by awaitUninterruptibly itself in response to interrupts.
   *
   * This isn't guaranteed to work, so any further spurious wakeups would probably cause failures in

Si vous vérifiez l'application précédente, dans l'UI vous pouvez voir que, jusqu'à présent, elle laisse le client décider de l'`id` du `Hero` à créer. 😱

Nous ne devrions pas laisser cela se produire, ils pourraient écraser un `id` que nous avons déjà attribué dans la base. Décider de l'`id` doit être fait par le **backend** ou la **base**, **pas par le client**.

## Opiniones { #opinions }

"_[...] Estoy usando **FastAPI** un montón estos días. [...] De hecho, estoy planeando usarlo para todos los servicios de **ML de mi equipo en Microsoft**. Algunos de ellos se están integrando en el núcleo del producto **Windows** y algunos productos de **Office**._"

<div style="text-align: right; margin-right: 10%;">Kabir Khan - <strong>Microsoft</strong> <a href="https://github.com/fastapi/fastapi/pull/26"><small>(ref)</small></a></div>

A seção:

```Python
from .routers import items, users
```

significa:

* Começando no mesmo pacote em que este módulo (o arquivo `app/main.py`) vive (o diretório `app/`)...
* procure o subpacote `routers` (o diretório em `app/routers/`)...
* e dele, importe o submódulo `items` (o arquivo em `app/routers/items.py`) e `users` (o arquivo em `app/routers/users.py`)...