你和你的恋人一起去快餐店，你排队在后面，收银员从你前面的人接单。😍

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

然后轮到你了，你为你的恋人和你选了两个非常豪华的汉堡。🍔🍔

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

收银员对厨房里的厨师说了一些话，让他们知道他们必须为你准备汉堡（尽管他们目前正在为之前的顾客准备汉堡）。

<img src="/img/async/concurrent-burgers/concurrent-burgers-03.png" class="illustration">

你付钱了。 💸

收银员给你轮到的号码。

burgers = get_burgers(2)
```

---

Bu nedenle, size onu `await` ile çağırabileceğinizi söyleyen bir kitaplık kullanıyorsanız, onu `async def` ile tanımlanan *path fonksiyonu* içerisinde kullanmanız gerekir, örneğin:

```Python hl_lines="2-3"
@app.get('/burgers')
async def read_burgers():
    burgers = await get_burgers(2)
    return burgers
```

### Daha fazla teknik detay

        // Default constructor
    }

    /**
     * Executes the log purging job.
     * Performs the following cleanup operations:
     * - Purges old crawling sessions
     * - Purges search logs older than configured days
     * - Purges job logs older than configured days
     * - Purges user info logs older than configured days
     * - Updates job log status
     *

```Python hl_lines="1"
async def get_burgers(number: int):
    # Do some asynchronous stuff to create the burgers
    return burgers
```

...`def`를 사용하는 대신:

```Python hl_lines="2"
# This is not asynchronous
def get_sequential_burgers(number: int):
    # Do some sequential stuff to create the burgers
    return burgers
```

```Python
# get_burgersはasync defで定義されているので動作しない
burgers = get_burgers(2)
```

---

したがって、 `await` で呼び出すことができるライブラリを使用している場合は、次のように `async def` を使用して、それを使用する*path operation 関数*を作成する必要があります:

```Python hl_lines="2-3"
@app.get('/burgers')
async def read_burgers():
    burgers = await get_burgers(2)
    return burgers
```

### より発展的な技術詳細

`await` は `async def` で定義された関数内でのみ使用できることがわかったかと思います。

            ThreadUtil.sleep(interval);
        }).then(response -> {
            refresh();
            success.accept(true);
        }).error(t -> error.accept(t));
    }

    /**
     * Purges old suggest data from documents.
     *
     * @param time The timestamp to purge data before.
     */
    public void purgeDocumentSuggest(final LocalDateTime time) {

// DeleteFile - deletes a file.
func (client *storageRESTClient) Delete(ctx context.Context, volume string, path string, deleteOpts DeleteOptions) error {
	if !deleteOpts.Immediate {
		// add deadlines for all non-immediate purges
		var cancel context.CancelFunc
		ctx, cancel = context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
		defer cancel()
	}

	_, err := storageDeleteFileRPC.Call(ctx, client.gridConn, &DeleteFileHandlerParams{

            }
            generatorList.add(generator);
        } else if (logger.isDebugEnabled()) {
            logger.debug("{} is not available.", generator.getName());
        }
    }

    /**
     * Purges old thumbnail files based on the expiry time.
     *
     * @param expiry the expiry time threshold
     * @return the number of files purged
     */
    public long purge(final long expiry) {

* ✨ Add illustrations for Concurrent burgers and Parallel burgers. PR [#5277](https://github.com/tiangolo/fastapi/pull/5277) by [@tiangolo](https://github.com/tiangolo). Updated docs at: [Concurrency and Burgers](https://fastapi.tiangolo.com/async/#concurrency-and-burgers).

### Translations