class BaseItem(BaseModel):
    description: str
    type: str


class CarItem(BaseItem):
    type: str = "car"


class PlaneItem(BaseItem):
    type: str = "plane"
    size: int


items = {
    "item1": {"description": "All my friends drive a low rider", "type": "car"},
    "item2": {
        "description": "Music is my aeroplane, it's my aeroplane",
        "type": "plane",
        "size": 5,
    },
}

name: Bug Report
description: Something is not working as expected
labels: ["type=defect"]
body:
  - type: markdown
    attributes:
      value: >
        Thank you for filing a bug report. Please help us identify and resolve the bug by filling
        out the following fields. Before we begin, please make sure that the bug is still present in
        the [latest](https://github.com/google/guava/releases/latest) version of Guava available.

            name = performanceTestProject.name + " (Trigger)"

            val os = os
            val type = performanceTestSpec.type

            applyDefaultSettings(os)
            params {
                text(
                    "reverse.dep.*.performance.baselines",
                    type.defaultBaselines,
                    display = ParameterDisplay.PROMPT,
                    allowEmpty = true,

{* ../../docs_src/body/tutorial001_py310.py hl[16] *}

... et déclarez que son type est le modèle que vous avez créé : `Item`.

## Résultats { #results }

En utilisant uniquement les déclarations de type Python, **FastAPI** réussit à :

* Lire le contenu de la requête en tant que JSON.
* Convertir les types correspondants (si nécessaire).
* Valider la donnée.

	return append([]byte("***"), data...), nil
}

type Num int64

func (i *Num) Scan(src interface{}) error {
	switch s := src.(type) {
	case []byte:
		n, _ := strconv.Atoi(string(s))
		*i = Num(n)
	case int64:
		*i = Num(s)
	default:
		return errors.New("Cannot scan NamedInt from " + reflect.ValueOf(src).String())
	}
	return nil
}

type StringsSlice []string

        String str = info.toString();

        // Verify type is displayed as hex
        assertNotNull(str);
        assertTrue(str.contains("type=0x"));
        // The type should be formatted as 8-character hex
        String expectedHex = String.format("%08x", type);
        assertTrue(str.toLowerCase().contains(expectedHex));
    }

    @Test
    @DisplayName("Test with empty strings")

		</div>
	</main>
	<jsp:include page="../footer.jsp" />
	<input type="hidden" id="contextPath" value="${contextPath}" />
	<script type="text/javascript" src="${fe:url('/js/jquery-3.7.1.min.js')}"></script>
	<script type="text/javascript" src="${fe:url('/js/popper.min.js')}"></script>
	<script type="text/javascript" src="${fe:url('/js/bootstrap.min.js')}"></script>
	<script type="text/javascript" src="${fe:url('/js/marked.min.js')}"></script>

        return GenericsUtil.getRawClass(GenericsUtil.getKeyTypeOfMap(parameterTypes[position]));
    }

    /**
     * Returns the key type of the parameterized map declared as the method's return type.
     *
     * @param method
     *            The method. Cannot be {@literal null}
     * @return The key type of the parameterized map
     */

        private final DefaultType type;

        private ArtifactTypeAdapter(DefaultType type) {
            this.type = type;
        }

        @Override
        public String getId() {
            return type.id();
        }

        @Override
        public String getExtension() {
            return type.getExtension();
        }

        @Override

    assertNotPrimitive(type);
    assertEquals(TypeToken.of(Primitives.unwrap((Class<?>) type.getType())), type.unwrap());
  }

  private static void assertNotWrapper(TypeToken<?> type) {
    assertThat(type.unwrap()).isEqualTo(type);
  }

  private static void assertNotPrimitiveNorWrapper(TypeToken<?> type) {
    assertNotPrimitive(type);
    assertNotWrapper(type);
  }