)

// lockedRandSource provides protected rand source, implements rand.Source interface.
type lockedRandSource struct {
	lk  sync.Mutex
	src rand.Source
}

// Int63 returns a non-negative pseudo-random 63-bit integer as an int64.
func (r *lockedRandSource) Int63() (n int64) {
	r.lk.Lock()
	n = r.src.Int63()
	r.lk.Unlock()
	return
}

// Seed uses the provided seed value to initialize the generator to a
// deterministic state.

<img src="/img/tutorial/body/image01.png">

이를 필요로 하는 각각의 *경로 작동*내부의 API 문서에도 사용됩니다:

<img src="/img/tutorial/body/image02.png">

## 편집기 지원

편집기에서, 함수 내에서 타입 힌트와 완성을 어디서나 (만약 Pydantic model 대신에 `dict`을 받을 경우 나타나지 않을 수 있습니다) 받을 수 있습니다:

<img src="/img/tutorial/body/image03.png">

잘못된 타입 연산에 대한 에러 확인도 받을 수 있습니다:

<img src="/img/tutorial/body/image04.png">

///

<img src="/img/tutorial/path-operation-configuration/image03.png">

## 😢 *➡ 🛠️*

🚥 👆 💪 ™ *➡ 🛠️* <abbr title="obsolete, recommended not to use it">😢</abbr>, ✋️ 🍵 ❎ ⚫️, 🚶‍♀️ 🔢 `deprecated`:

```Python hl_lines="16"
{!../../docs_src/path_operation_configuration/tutorial006.py!}
```

⚫️ 🔜 🎯 ™ 😢 🎓 🩺:

<img src="/img/tutorial/path-operation-configuration/image04.png">

    /**
     * 
     * @param src
     * @param srcIndex
     * @param size
     * @return hex string
     */
    public static String toHexString ( byte[] src, int srcIndex, int size ) {
        char[] c = new char[2 * size];
        for ( int i = 0, j = 0; i < size; i++ ) {
            c[ j++ ] = HEX_DIGITS[ ( src[ srcIndex + i ] >> 4 ) & 0x0F ];
            c[ j++ ] = HEX_DIGITS[ src[ srcIndex + i ] & 0x0F ];
        }

                    <mxGeometry x="-140" y="-75" width="500" height="350" as="geometry"/>
                </mxCell>
                <mxCell id="29" value="&lt;font face=&quot;Roboto&quot; data-font-src=&quot;https://fonts.googleapis.com/css?family=Roboto&quot; style=&quot;font-size: 24px&quot;&gt;https://someapp.example.com&lt;/font&gt;" style="rounded=0;whiteSpace=wrap;html=1;fontStyle=1;strokeWidth=4;" parent="33" vertex="1">

<img src="/img/async/concurrent-burgers/concurrent-burgers-01.png" class="illustration">

Dann sind Sie an der Reihe und Sie bestellen zwei sehr schmackhafte Burger für Ihren Schwarm und Sie. 🍔🍔

<img src="/img/async/concurrent-burgers/concurrent-burgers-02.png" class="illustration">

    <img src="https://coverage-badge.samuelcolvin.workers.dev/fastapi/fastapi.svg" alt="Əhatə">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">
    <img src="https://img.shields.io/pypi/v/fastapi?color=%2334D058&label=pypi%20package" alt="Paket versiyası">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">

, 👩‍💻 📨 **🇺🇸🔍 📨**. 👉 🇺🇸🔍 📨 🔘 🗜 🤝 🔗.

<img src="/img/deployment/https/https04.svg">

### 🗜 📨

🤝 ❎ 🗳 🔜 ⚙️ 🔐 ✔ **🗜 📨**, &amp; 🔜 📶 **✅ (🗜) 🇺🇸🔍 📨** 🛠️ 🏃 🈸 (🖼 🛠️ ⏮️ Uvicorn 🏃‍♂ FastAPI 🈸).

<img src="/img/deployment/https/https05.svg">

### 🇺🇸🔍 📨

🈸 🔜 🛠️ 📨 &amp; 📨 **✅ (💽) 🇺🇸🔍 📨** 🤝 ❎ 🗳.

<img src="/img/deployment/https/https06.svg">

### 🇺🇸🔍 📨

[submodule "okhttp-hpacktests/src/test/resources/hpack-test-case"]
	path = okhttp-hpacktests/src/test/resources/hpack-test-case

    protected String interpolateInternal(
            String src, List<ValueSource> valueSources, List<InterpolationPostProcessor> postProcessors, boolean debug)
            throws ModelInterpolationException {
        if (!src.contains("${")) {
            return src;
        }

        Logger logger = getLogger();

        String result = src;
        synchronized (this) {