* creating a directory that would be more accessible. (This behavior is new in Guava 32.0.0.
   * Previous versions would create a directory that is more accessible, as discussed in <a
   * href="https://github.com/google/guava/issues/4011">CVE-2020-8908</a>.)
   *
   * <p>Use this method instead of {@link File#createTempFile(String, String)} when you wish to

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import org.jspecify.annotations.Nullable;

/**
 * A set which forwards all its method calls to another set. Subclasses should override one or more
 * methods to modify the behavior of the backing set as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *
 * <p><b>Warning:</b> The methods of {@code ForwardingSet} forward <b>indiscriminately</b> to the

اما اگر هدرهای سفارشی دارید که می‌خواهید مرورگر کاربر بتواند آنها را ببیند، باید آنها را با استفاده از پارامتر `expose_headers` که در مستندات <a href="https://www.starlette.io/middleware/#corsmiddleware" class="external-link" target="_blank">CORS از Starlette</a> توضیح داده شده است، به پیکربندی CORS خود اضافه کنید.

///

/// توجه | جزئیات فنی

# Замеры производительности

Независимые тесты производительности приложений от TechEmpower показывают, что **FastAPI** под управлением Uvicorn <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">один из самых быстрых Python-фреймворков</a> и уступает только Starlette и Uvicorn (которые используются в FastAPI). (*)

Đó là lí do các phiên bản hiện tại vẫn còn là 0.x.x, điều này phản ánh rằng mỗi phiên bản có thể có các thay đổi gây mất tương thích. Điều này tuân theo các quy ước về <a href="https://semver.org/" class="external-link" target="blank">Semantic Versioning</a>.

 * or method references instead of classes, leaving your code easier to migrate in the future.
 *
 * <p>See the Guava User Guide article on <a
 * href="https://github.com/google/guava/wiki/FunctionalExplained">the use of {@code Function}</a>.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@GwtCompatible
@FunctionalInterface

///

## 🛬 🛃 `Response`

🖼 🔛 🎦 🌐 🍕 👆 💪, ✋️ ⚫️ 🚫 📶 ⚠, 👆 💪 ✔️ 📨 `item` 🔗, & **FastAPI** 🔜 🚮 ⚫️ `JSONResponse` 👆, 🏭 ⚫️ `dict`, ♒️. 🌐 👈 🔢.

🔜, ➡️ 👀 ❔ 👆 💪 ⚙️ 👈 📨 🛃 📨.

➡️ 💬 👈 👆 💚 📨 <a href="https://en.wikipedia.org/wiki/XML" class="external-link" target="_blank">📂</a> 📨.

👆 💪 🚮 👆 📂 🎚 🎻, 🚮 ⚫️ `Response`, &amp; 📨 ⚫️:

{* ../../docs_src/response_directly/tutorial002.py hl[1,18] *}

## 🗒

So, the line:

```Python
    uvicorn.run(app, host="0.0.0.0", port=8000)
```

will not be executed.

/// info

For more information, check <a href="https://docs.python.org/3/library/__main__.html" class="external-link" target="_blank">the official Python docs</a>.

///

## Run your code with your debugger { #run-your-code-with-your-debugger }

두 가지 이상의 타입을 포함하는 `Union`으로 응답을 선언할 수 있습니다. 이는 응답이 그 중 하나의 타입일 수 있음을 의미합니다.

OpenAPI에서는 이를 `anyOf`로 정의합니다.

이를 위해 표준 Python 타입 힌트인 <a href="https://docs.python.org/3/library/typing.html#typing.Union" class="external-link" target="_blank">`typing.Union`</a>을 사용할 수 있습니다:

/// note | 참고