/**
 * @author higa
 */
public class BeanMapTest {

    /**
     * @see org.junit.rules.ExpectedException
     */
    @Rule
    public ExpectedException exception = ExpectedException.none();

    /**
     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {
        final BeanMap map = new BeanMap();
        map.put("aaa", 1);
        map.put("bbb", 2);

from collections.abc import AsyncIterable, Iterable

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None


items = [
    Item(name="Plumbus", description="A multi-purpose household device."),
    Item(name="Portal Gun", description="A portal opening device."),
    Item(name="Meeseeks Box", description="A box that summons a Meeseeks."),
]

import subprocess

from playwright.sync_api import Playwright, sync_playwright


# Run playwright codegen to generate the code below, copy paste the sections in run()
def run(playwright: Playwright) -> None:
    browser = playwright.chromium.launch(headless=False)
    # Update the viewport manually
    context = browser.new_context(viewport={"width": 960, "height": 1080})
    page = context.new_page()
    page.goto("http://localhost:8000/docs")

```

这表示 `item` 可以是 `int` 或 `str`。

#### 可能为 `None` { #possibly-none }

你可以声明一个值的类型是某种类型（比如 `str`），但它也可能是 `None`。

//// tab | Python 3.10+

```Python hl_lines="1"
{!> ../../docs_src/python_types/tutorial009_py310.py!}
```

////

使用 `str | None` 而不是仅仅 `str`，可以让编辑器帮助你发现把值当成总是 `str` 的错误（实际上它也可能是 `None`）。

### 类作为类型 { #classes-as-types }

你也可以把类声明为变量的类型。

			result.Version = Version
			result.Concurrent = concurrency

			select {
			case ch <- result:
			case <-ctx.Done():
				return
			}
		}

		for {
			select {
			case <-ctx.Done():
				// If the client got disconnected stop the speedtest.
				return
			default:
			}

			sopts := speedTestOpts{
				objectSize:      opts.objectSize,

    break
  else
    error_count=$((error_count + 1))
  fi
  if [[ ${error_count} -ge 60 ]] ; then
    echo "Fess is not available."
    cat ${temp_log_file} ./fess-*/logs/*.log
    exit 1
  fi
  sleep 1
done

pushd /tmp >/dev/null
git clone https://github.com/codelibs/fess-testdata.git
cd fess-testdata
git checkout f19176ab1b7ddc0a40393a8cbbb8d1c17b27c3ce
cd ..
popd >/dev/null

import subprocess
import time

import httpx
from playwright.sync_api import Playwright, sync_playwright


# Run playwright codegen to generate the code below, copy paste the sections in run()
def run(playwright: Playwright) -> None:
    browser = playwright.chromium.launch(headless=False)
    # Update the viewport manually
    context = browser.new_context(viewport={"width": 960, "height": 1080})
    page = context.new_page()

	h.store = queueStore
	h.storeCtxCancel = cancel
	store.StreamItems(h.store, h, ctx.Done(), h.kconfig.LogOnce)
	return err
}

func (h *Target) startKafkaLogger() {
	h.logChMu.RLock()
	logCh := h.logCh
	if logCh != nil {
		// We are not allowed to add when logCh is nil
		h.wg.Add(1)
		defer h.wg.Done()
	}
	h.logChMu.RUnlock()

	if logCh == nil {
		return
	}

import re
import sys
from datetime import date

RELEASE_NOTES_FILE = "docs/en/docs/release-notes.md"
RELEASE_HEADER_PATTERN = re.compile(r"^## (\d+\.\d+\.\d+)\s*(\(.*\))?\s*$")


def main() -> None:
    with open(RELEASE_NOTES_FILE) as f:
        lines = f.readlines()

    for i, line in enumerate(lines):
        match = RELEASE_HEADER_PATTERN.match(line)
        if not match:
            continue

import subprocess
import time

import httpx
from playwright.sync_api import Playwright, sync_playwright


# Run playwright codegen to generate the code below, copy paste the sections in run()
def run(playwright: Playwright) -> None:
    browser = playwright.chromium.launch(headless=False)
    # Update the viewport manually
    context = browser.new_context(viewport={"width": 960, "height": 1080})
    page = context.new_page()