def main(some_arg, q: str | None = None):
    return {"some_arg": some_arg, "q": q}


endpoint = partial(main, "foo")

app = FastAPI()

app.get("/")(endpoint)


client = TestClient(app)


def test_partial():
    response = client.get("/?q=bar")
    data = response.json()

    }

    /**
     * @param <T1>
     * @param <T2>
     *
     */
    public interface Foo<T1, T2> {

        /**
         * @param foo
         * @return T2
         */
        T2 foo(T1 foo);
    }

    /**
     *
     */
    public interface Bar extends Foo<Integer, Long> {
    }

    /**
     * @param <T1>
     * @param <T2>
     *
     */

        exp = "file://C .doc";
        assertEquals(exp, transformer.decodeUrlAsName(url, true));

        url = "http://example.com/foo/" + encodeUrl("#") + "/@@bar/index.html#fragment?foo=bar";
        exp = "http://example.com/foo/#/@@bar/index.html#fragment?foo=bar";
        assertEquals(exp, transformer.decodeUrlAsName(url, false));
    }

    @Test
    public void test_getFileName_ok() throws Exception {

        new Object() {
          @Subscribe
          public void eat(Object food) {
            objectEvents.add(food);
          }
        };

    List<Comparable<?>> compEvents = new ArrayList<>();
    Object compCatcher =
        new Object() {
          @Subscribe
          public void eat(Comparable<?> food) {
            compEvents.add(food);
          }
        };
    bus.register(stringCatcher);

        new Object() {
          @Subscribe
          public void eat(Object food) {
            objectEvents.add(food);
          }
        };

    List<Comparable<?>> compEvents = new ArrayList<>();
    Object compCatcher =
        new Object() {
          @Subscribe
          public void eat(Comparable<?> food) {
            compEvents.add(food);
          }
        };
    bus.register(stringCatcher);

    Foo foo = new Foo();
    try {
      WeakReference<Object> ref = new WeakReference<>(foo);
      RuntimeException expected =
          assertThrows(RuntimeException.class, () -> GcFinalization.awaitClear(ref));
      assertWrapsInterruptedException(expected);
    } finally {
      reachabilityFence(foo);
      interruptenator.shutdown();
      Thread.interrupted();

foo.txt foo bar.txt bar...

在此情況下 **FastAPI** 會期望如下的主體：

```JSON hl_lines="2"
{
    "item": {
        "name": "Foo",
        "description": "The pretender",
        "price": 42.0,
        "tax": 3.2
    }
}
```

而不是：

```JSON
{
    "name": "Foo",
    "description": "The pretender",
    "price": 42.0,
    "tax": 3.2
}
```

## 小結 { #recap }

  private @interface ExampleAnnotation {}

  private enum AnEnum {
    @ExampleAnnotation
    FOO,
    BAR
  }

  @J2ktIncompatible
  public void testGetField() {
    Field foo = Enums.getField(AnEnum.FOO);
    assertThat(foo.getName()).isEqualTo("FOO");
    assertTrue(foo.isAnnotationPresent(ExampleAnnotation.class));

    Field bar = Enums.getField(AnEnum.BAR);

  public void testGetUnchecked_success() {
    assertThat(getUnchecked(immediateFuture("foo"))).isEqualTo("foo");
  }

  @J2ktIncompatible
  @GwtIncompatible // Thread.interrupt
  public void testGetUnchecked_interrupted() {
    Thread.currentThread().interrupt();
    try {
      assertThat(getUnchecked(immediateFuture("foo"))).isEqualTo("foo");
      assertTrue(Thread.currentThread().isInterrupted());
    } finally {