from typing import Annotated, Union

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(

/**
 * {@link Constructor}が見つからなかったときにスローされる例外Vです。
 *
 * @author higa
 */
public class ConstructorNotFoundRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 8584662068396978822L;

    private final Class<?> targetClass;

    private final Object[] methodArgs;

    private final Class<?>[] paramTypes;

    /**
     * {@link ConstructorNotFoundRuntimeException}を作成します。
     *

        applyConventions(project, tasks, objects, layout, extension);

        extension.getQuickFeedback().convention(providers.provider(() -> project.hasProperty("quickDocs")));

        project.apply(target -> target.plugin(GradleReleaseNotesPlugin.class));
        project.apply(target -> target.plugin(GradleJavadocsPlugin.class));

 * wrapping a checked exception, prefer {@code ExecutionException}.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public class UncheckedExecutionException extends RuntimeException {
  /*
   * Ideally, this class would have exposed only constructors that require a non-null cause. See

# Geçmişi, Tasarımı ve Geleceği

Bir süre önce, <a href="https://github.com/fastapi/fastapi/issues/3#issuecomment-454956920" class="external-link" target="_blank">bir **FastAPI** kullanıcısı sordu</a>:

> Bu projenin geçmişi nedir? Birkaç hafta içinde hiçbir yerden harika bir şeye dönüşmüş gibi görünüyor [...]

İşte o geçmişin bir kısmı.

## Alternatifler

from fastapi.testclient import TestClient


class OverrideResponse(JSONResponse):
    media_type = "application/x-override"


app = FastAPI()
router_a = APIRouter()
router_a_a = APIRouter()
router_a_b_override = APIRouter()  # Overrides default class
router_b_override = APIRouter()  # Overrides default class
router_b_a = APIRouter()
router_b_a_c_override = APIRouter()  # Overrides default class again


@app.get("/")
def get_root():

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class SimpleAbstractMultisetTest extends TestCase {
  @J2ktIncompatible
  @GwtIncompatible // suite
  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTestSuite(SimpleAbstractMultisetTest.class);
    suite.addTest(
        MultisetTestSuiteBuilder.using(
                new TestStringMultisetGenerator() {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.binarycompatibility

import org.junit.jupiter.api.Test


class AlphabeticalAcceptedApiChangesTaskIntegrationTest : AbstractAcceptedApiChangesMaintenanceTaskIntegrationTest() {
    @Test
    fun `verify AlphabeticalAcceptedApiChangesTask detects misordered changes`() {
        //language=JSON

import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;

import jakarta.annotation.PostConstruct;

public class ProtocolHelper {
    private static final Logger logger = LogManager.getLogger(ProtocolHelper.class);

    protected String[] webProtocols = StringUtil.EMPTY_STRINGS;

    protected String[] fileProtocols = StringUtil.EMPTY_STRINGS;

    @PostConstruct

 * it easy to get sample values to use in such tests.
 *
 * This class is pretty fast and loose with default values: it attempts to provide values that are
 * well-formed, but doesn't guarantee values are internally consistent. Callers must take care to
 * configure the factory when sample values impact the correctness of the test.
 */
class TestValueFactory : Closeable {