}

  public void testGet() {
    Object computed = new Object();
    LoadingCache<Object, Object> cache =
        CacheBuilder.newBuilder()
            .maximumSize(0)
            .removalListener(listener)
            .build(constantLoader(computed));

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isSameInstanceAs(computed);

  - 🦇 Dark mode support.
- 🐋 [Docker Compose](https://www.docker.com) for development and production.
- 🔒 Secure password hashing by default.
- 🔑 JWT (JSON Web Token) authentication.
- 📫 Email based password recovery.
- ✅ Tests with [Pytest](https://pytest.org).
- 📞 [Traefik](https://traefik.io) as a reverse proxy / load balancer.

    - 🦇 Soporte para modo oscuro.
- 🐋 [Docker Compose](https://www.docker.com) para desarrollo y producción.
- 🔒 Hashing seguro de contraseñas por defecto.
- 🔑 Autenticación con tokens JWT.
- 📫 Recuperación de contraseñas basada en email.
- ✅ Pruebas con [Pytest](https://pytest.org).
- 📞 [Traefik](https://traefik.io) como proxy inverso / load balancer.

  - 🤖 Ein automatisch generierter Frontend-Client.
  - 🧪 [Playwright](https://playwright.dev) für End-to-End-Tests.
  - 🦇 „Dark-Mode“-Unterstützung.
- 🐋 [Docker Compose](https://www.docker.com) für Entwicklung und Produktion.
- 🔒 Sicheres Passwort-Hashing standardmäßig.
- 🔑 JWT (JSON Web Token)-Token-Authentifizierung.
- 📫 E-Mail-basierte Passwortwiederherstellung.

    - 🤖 Автоматически сгенерированный фронтенд‑клиент.
    - 🧪 [Playwright](https://playwright.dev) для End‑to‑End тестирования.
    - 🦇 Поддержка тёмной темы.
- 🐋 [Docker Compose](https://www.docker.com) для разработки и продакшна.
- 🔒 Безопасное хэширование паролей по умолчанию.
- 🔑 Аутентификация по JWT‑токенам.
- 📫 Восстановление пароля по электронной почте.
- ✅ Тесты с [Pytest](https://pytest.org).

  type: KClass<T>,
  compute: () -> T,
): T {
  var computed: T? = null

  while (true) {
    val tags = get()

    // If the element is already present. Return it.
    val existing = tags[type]
    if (existing != null) return existing

    if (computed == null) {
      computed = compute()
    }

    // If we successfully add the computed element, we're done.
    val newTags = tags.plus(type, computed)

    - 🦇 Suporte para modo escuro.
- 🐋 [Docker Compose](https://www.docker.com) para desenvolvimento e produção.
- 🔒 _Hash_ seguro de senhas por padrão.
- 🔑 Autenticação por token JWT.
- 📫 Recuperação de senhas baseada em email.
- ✅ Testes com [Pytest](https://pytest.org).
- 📞 [Traefik](https://traefik.io) como proxy reverso / balanceador de carga.

    Ordering<Number> unusedF = numbers.compound(objects).compound(objects); // bad IDEA
    Ordering<Number> unusedG = objects.compound(numbers).compound(objects);
    Ordering<Number> unusedH = objects.compound(objects).compound(numbers);

    Ordering<Number> unusedI = numbers.compound(objects.compound(objects));
    Ordering<Number> unusedJ = objects.compound(numbers.compound(objects)); // bad IDEA

    Ordering<Number> unusedF = numbers.compound(objects).compound(objects); // bad IDEA
    Ordering<Number> unusedG = objects.compound(numbers).compound(objects);
    Ordering<Number> unusedH = objects.compound(objects).compound(numbers);

    Ordering<Number> unusedI = numbers.compound(objects.compound(objects));
    Ordering<Number> unusedJ = objects.compound(numbers.compound(objects)); // bad IDEA

# Test Guide

```bash
cd tests
# prepare test databases
docker-compose up

# run all tests
./tests_all.sh