///

## Reduzir duplicação { #reduce-duplication }

Reduzir a duplicação de código é uma das ideias principais no **FastAPI**.

A duplicação de código aumenta as chances de bugs, problemas de segurança, problemas de desincronização de código (quando você atualiza em um lugar, mas não em outros), etc.

0.99.0 (0.99.0 e superiores usam o novo OpenAPI 3.1.0), quando você usava `example` ou `examples` com qualquer uma das outras utilidades (`Query()`, `Body()`, etc.), esses exemplos não eram adicionados ao JSON Schema que descreve esses dados (nem mesmo à versão própria do JSON Schema do OpenAPI), eles eram adicionados diretamente à declaração da *operação de rota* no OpenAPI (fora das partes do OpenAPI que usam o JSON Schema).

Mas agora que o FastAPI 0.99.0 e superiores usam o OpenAPI 3.1.0,...

    Iterator<Integer> iter =
        new AbstractIterator<Integer>() {
          @Override
          public Integer computeNext() {
            throw exception;
          }
        };

    // It should pass through untouched
    SomeUncheckedException e = assertThrows(SomeUncheckedException.class, iter::hasNext);
    assertThat(e).isSameInstanceAs(exception);
  }

  public void testExceptionAfterEndOfData() {

    Iterator<Integer> iter =
        new AbstractIterator<Integer>() {
          @Override
          public Integer computeNext() {
            throw exception;
          }
        };

    // It should pass through untouched
    SomeUncheckedException e = assertThrows(SomeUncheckedException.class, iter::hasNext);
    assertThat(e).isSameInstanceAs(exception);
  }

  public void testExceptionAfterEndOfData() {

### Contributing

We welcome contributions! Please:
1. Fork the repository
2. Create a feature branch
3. Make your changes with appropriate tests
4. Run `mvn clean test` to ensure all tests pass
5. Submit a pull request

### License

         * processes one artifact at a time and hence cannot associate the artifacts from the same project to use the
         * same version index. Allowing the caller to pass in metadata from a previous deployment allows to re-establish
         * the association between the artifacts of the same project.
         */
        for (Iterator<? extends Metadata> it = metadatas.iterator(); it.hasNext(); ) {

You can return a `Response` or any sub-class of it.

/// info

`JSONResponse` itself is a sub-class of `Response`.

///

And when you return a `Response`, **FastAPI** will pass it directly.

It won't do any data conversion with Pydantic models, it won't convert the contents to any type, etc.

    material_langs_path = material_path / "templates" / "partials" / "languages"
    langs = [file.stem for file in material_langs_path.glob("*.html")]
    return langs


class EnFile(File):
    pass


def on_config(config: MkDocsConfig, **kwargs: Any) -> MkDocsConfig:
    available_langs = get_mkdocs_material_langs()
    dir_path = Path(config.docs_dir)
    lang = dir_path.parent.name

  }

  public void testNulls() {
    /*
     * Don't bother testing. All non-primitive parameters are used only to construct error messages.
     * We never want to pass null for them, so we haven't annotated them to say that null is
     * allowed. But at the same time, it seems wasteful to bother inserting the checkNotNull calls
     * that NullPointerTester wants.
     *

    private final NbtAddress queryAddress;

    private int numberOfNames;
    private final byte[] macAddress;
    private byte[] stats;

    NbtAddress[] addressArray;

    /* It is a little awkward but prudent to pass the quering address
     * so that it may be included in the list of results. IOW we do
     * not want to create a new NbtAddress object for this particular
     * address from which the query is constructed, we want to populate