name    int
		version string
		format  string
		want    bool
	}{
		{1, "123", "fs", false},
		{2, "123", xlMetaFormat, false},
		{3, xlMetaVersion100, "test", false},
		{4, xlMetaVersion101, "hello", false},
		{5, xlMetaVersion100, xlMetaFormat, true},
		{6, xlMetaVersion101, xlMetaFormat, true},
	}
	for _, tt := range tests {
		if got := isXLMetaFormatValid(tt.version, tt.format); got != tt.want {

   * that tests equivalence using their lengths:
   *
   * {@snippet :
   * equiv.wrap("a").equals(equiv.wrap("b")) // true
   * equiv.wrap("a").equals(equiv.wrap("hello")) // false
   * }
   *
   * <p>Note in particular that an equivalence wrapper is never equal to the object it wraps.
   *
   * {@snippet :
   * equiv.wrap(obj).equals(obj) // always false
   * }
   *

          public void run() {
            AbstractFuture<String> future = setFutureFuture.get();
            setFutureSetSuccess.set(currentFuture.get().setFuture(future));
            setFutureCompletionSuccess.set(future.set("hello-async-world"));
            awaitUnchecked(barrier);
          }
        };
    Set<Object> finalResults = Collections.synchronizedSet(Sets.newIdentityHashSet());
    Runnable collectResultsRunnable =

```

Противоположная *операция пути* в FastAPI может выглядеть следующим образом:

```Python hl_lines="1"
@app.get("/some/url")
def read_url():
    return {"message": "Hello World"}
```

Глядите, как похоже `requests.get(...)` и `@app.get(...)`.

/// check | Идеи для **FastAPI**

* Должен быть простой и понятный API.

```

Bunun FastAPI'deki API <abbr title="Yol İşlemi: Path Operation">*yol işlemi*</abbr> şöyle görünür:

```Python hl_lines="1"
@app.get("/some/url")
def read_url():
    return {"message": "Hello World!"}
```

`requests.get(...)` ile `@app.get(...)` arasındaki benzerliklere bakın.

/// check | **FastAPI**'a nasıl ilham verdi?

* Basit ve sezgisel bir API'ya sahip olmalı.

  }

  public void testToStringWithNull() {
    Iterator<@Nullable String> iterator =
        Lists.<@Nullable String>newArrayList("hello", null, "world").iterator();
    assertEquals("[hello, null, world]", Iterators.toString(iterator));
  }

  public void testToStringEmptyIterator() {
    Iterator<String> iterator = Collections.<String>emptyList().iterator();

    val request =
      Request(
        server.url("/"),
        body = "Hello".toRequestBody("text/plain".toMediaType()),
      )
    val response = client.newCall(request).execute()
    assertThat(response.body.string()).isEqualTo("Body")
    val request1 = server.takeRequest()
    assertThat(request1.body?.utf8()).isEqualTo("Hello")
    val request2 = server.takeRequest()

AAKgB,QAAtBmH,aAEDnI,EAAKgB,QAAQoH,qBAChBD,GAAgBA,GAGlBuD,GAAY,EACZ1L,EAAKkL,WAAW/C,GAEhBwD,EAAoBE,aAAY,WAC9B7L,EAAKkL,WAAW/C,KACf,QAEL9O,EAAAA,QAAE8D,UAAUN,GAAG,YAtUuB,sCAsUyB,SAAAyO,GAC7DA,EAAEjO,iBACFuO,cAAcD,GAEd,IAAMxD,EAAiBnI,EAAKgB,QAAtBmH,aAEFnI,EAAKgB,QAAQoH,qBACfD,GAAgBA,GAGlBuD,GAAY,EACZ1L,EAAKkL,WAAW/C,GAEhBwD,EAAoBE,aAAY,WAC9B7L,EAAKkL,WAAW/C,KACf,QAEL9O,EAAAA,QAAE8D,UAAUN,GAAG,WAAW,WACpB6O,IACFA,GAAY,EACZE,cAAcD,GACdA,EAAoB,YAK1B3B,eAAA,SAAe8B,GACbzS,EAAAA,QAAK6N,GAAJ,KAAmCE,IAAiCr...

* ✍ 🛁 📁 `__init__.py`.
* ✍ `main.py` 📁 ⏮️:

```Python
from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

### 📁

🔜 🎏 🏗 📁 ✍ 📁 `Dockerfile` ⏮️:

        Request(
          url = server.url("/"),
          body = "Hello".toRequestBody(null),
        ),
      )
    assertThat(response.code).isEqualTo(200)
    assertThat(readAscii(response.body.byteStream(), Int.MAX_VALUE))
      .isEqualTo("Body")
    val request1 = server.takeRequest()
    assertThat(request1.body?.utf8()).isEqualTo("Hello")
    val request2 = server.takeRequest()