from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel


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


app = FastAPI()


@app.post("/items/")
async def create_item(item: Item):

    // ===================================================================================
    //                                                                        Assist Class
    //                                                                        ============
    public static class SearchRequestParams {

        private Boolean explain;

        private Float minScore;

        private String preference;

 * this case, you should override {@code add(Object)} as well, either providing your own
 * implementation, or delegating to the provided {@code standardAdd} method.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingMultiset}.
 *

 * restarted by a call to {@link #execute}.
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
final class SequentialExecutor implements Executor {
  private static final LazyLogger log = new LazyLogger(SequentialExecutor.class);

  enum WorkerRunningState {
    /** Runnable is not running and not queued for execution */
    IDLE,

import jcifs.internal.dfs.DfsReferralDataImpl;
import jcifs.smb.DfsImpl;


/**
 * @author mbechler
 *
 */
@RunWith ( Parameterized.class )
@SuppressWarnings ( "javadoc" )
public class DfsTest extends BaseCIFSTest {

    private static final Logger log = LoggerFactory.getLogger(DfsTest.class);


    /**
     * @param name
     * @param properties
     */
    public DfsTest ( String name, Map<String, String> properties ) {

{!../../docs_src/python_types/tutorial010.py!}
```

И снова вы получаете полную поддержку редактора:

<img src="/img/python-types/image06.png">

## Pydantic-модели

<a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> является Python-библиотекой для выполнения валидации данных.

Вы объявляете «форму» данных как классы с атрибутами.

И каждый атрибут имеет тип.

 * restarted by a call to {@link #execute}.
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
final class SequentialExecutor implements Executor {
  private static final LazyLogger log = new LazyLogger(SequentialExecutor.class);

  enum WorkerRunningState {
    /** Runnable is not running and not queued for execution */
    IDLE,

    "bg": "not set",
    "sync_bg": "not set",
}

errors = []


async def get_state():
    return state


class AsyncDependencyError(Exception):
    pass


class SyncDependencyError(Exception):
    pass


class OtherDependencyError(Exception):
    pass


async def asyncgen_state(state: Dict[str, str] = Depends(get_state)):
    state["/async"] = "asyncgen started"

import org.codelibs.fess.crawler.exception.MultipleCrawlingAccessException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class FaultTolerantClientTest extends PlainTestCase {

    public void test_doGet() {
        final FaultTolerantClient client = new FaultTolerantClient();
        final TestClient testClient = new TestClient();

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;

import static org.apache.maven.api.services.BaseRequest.nonNull;

/**
 * Provides access to the contents of a source independently of the
 * backing store (e.g. file system, database, memory).
 * <p>
 * This is mainly used to parse files into objects such as
 * {@link org.apache.maven.api.Project},