* **Facile** : Fait pour être facile à utiliser et apprendre. Moins de temps passé à lire de la documentation.
    * **Concis** : Minimise la duplication de code. Plusieurs fonctionnalités à chaque déclaration de paramètre.
    * **Robuste** : Obtenez du code prêt pour être utilisé en production. Avec de la documentation automatique interactive.

     * again and get a more complete representation of the same object; but properties cannot be
     * removed, so this only allows limited reuse of the helper instance. The helper allows
     * duplication of properties (multiple name/value pairs with the same name can be added).
     */
    @Override
    public String toString() {
      // create a copy to keep it consistent in case value changes

     * 2. Check if field is a search field and apply field-specific query
     * 3. Fall back to default query builder for unsupported fields
     *
     * This reduces code duplication across query command implementations.
     *
     * @param fessConfig the Fess configuration
     * @param context the query context
     * @param field the field name
     * @param text the query text

Die unterstützenden zusätzlichen Funktionen `fake_password_hasher` und `fake_save_user` dienen nur zur Demo eines möglichen Datenflusses, bieten jedoch natürlich keine echte Sicherheit.

///

## Verdopplung vermeiden { #reduce-duplication }

Die Reduzierung von Code-Verdoppelung ist eine der Kernideen von **FastAPI**.

Вспомогательные функции `fake_password_hasher` и `fake_save_user` используются только для демонстрации возможного потока данных и, конечно, не обеспечивают настоящую безопасность.

///

## Сократите дублирование { #reduce-duplication }

Сокращение дублирования кода - это одна из главных идей **FastAPI**.

As funções adicionais de suporte `fake_password_hasher` e `fake_save_user` servem apenas para demonstrar um fluxo possível dos dados, mas é claro que elas não fornecem segurança real.

///

## Reduzir duplicação { #reduce-duplication }

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

            System.out.printf("Total unique values: %d%n", group.totalUnique);
            System.out.printf("Total occurrences: %d%n", group.totalOccurrences);
            System.out.printf("Duplication ratio: %.2f%n", (double) group.totalOccurrences / group.totalUnique);

            System.out.println("\nMost frequent values across all paths:");
            for (ValueFrequency v : group.mostFrequentValues) {

You just pass it to `Depends` and **FastAPI** knows how to do the rest.

///

## Share `Annotated` dependencies { #share-annotated-dependencies }

In the examples above, you see that there's a tiny bit of **code duplication**.

When you need to use the `common_parameters()` dependency, you have to write the whole parameter with the type annotation and `Depends()`:

```Python
commons: Annotated[dict, Depends(common_parameters)]
```

///

/// check

The `prefix`, `tags`, `responses`, and `dependencies` parameters are (as in many other cases) just a feature from **FastAPI** to help you avoid code duplication.

///

### Import the dependencies { #import-the-dependencies }

This code lives in the module `app.routers.items`, the file `app/routers/items.py`.

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