public void testEntryEquals() {
    Cell<String, Integer, Character> entry = immutableCell("foo", 1, 'a');

    new EqualsTester()
        .addEqualityGroup(entry, immutableCell("foo", 1, 'a'))
        .addEqualityGroup(immutableCell("bar", 1, 'a'))
        .addEqualityGroup(immutableCell("foo", 2, 'a'))
        .addEqualityGroup(immutableCell("foo", 1, 'b'))
        .addEqualityGroup(

Wenn Sie dieses Beispiel ausführen und auf <a href="http://127.0.0.1:8000/items/foo" class="external-link" target="_blank">http://127.0.0.1:8000/items/foo</a> gehen, sehen Sie als Response:

```JSON
{"item_id":"foo"}
```

## Pfad-Parameter mit Typen

	input string
	error string
}

var badLexTests = []badLexTest{
	{
		"3 #define foo bar\n",
		"'#' must be first item on line",
	},
	{
		"#ifdef foo\nhello",
		"unclosed #ifdef or #ifndef",
	},
	{
		"#ifndef foo\nhello",
		"unclosed #ifdef or #ifndef",
	},
	{
		"#ifdef foo\nhello\n#else\nbye",
		"unclosed #ifdef or #ifndef",
	},
	{
		"#define A() A()\nA()",

    assertThat(headers.getInstant("Test-Instant")).isEqualTo(expected)
  }

  @Test fun addParsing() {
    val headers =
      Headers
        .Builder()
        .add("foo: bar")
        .add(" foo: baz") // Name leading whitespace is trimmed.
        .add("foo : bak") // Name trailing whitespace is trimmed.
        .add("\tkey\t:\tvalue\t") // '\t' also counts as whitespace
        .add("ping:  pong  ") // Value whitespace is trimmed.

👉 💼 **FastAPI** 🔜 ⌛ 💪 💖:

```JSON hl_lines="2"
{
    "item": {
        "name": "Foo",
        "description": "The pretender",
        "price": 42.0,
        "tax": 3.2
    }
}
```

↩️:

```JSON
{
    "name": "Foo",
    "description": "The pretender",
    "price": 42.0,
    "tax": 3.2
}
```

## 🌃

{* ../../docs_src/path_params/tutorial001.py hl[6:7] *}

💲 ➡ 🔢 `item_id` 🔜 🚶‍♀️ 👆 🔢 ❌ `item_id`.

, 🚥 👆 🏃 👉 🖼 &amp; 🚶 <a href="http://127.0.0.1:8000/items/foo" class="external-link" target="_blank">http://127.0.0.1:8000/items/foo</a>, 👆 🔜 👀 📨:

```JSON
{"item_id":"foo"}
```

## ➡ 🔢 ⏮️ 🆎

👆 💪 📣 🆎 ➡ 🔢 🔢, ⚙️ 🐩 🐍 🆎 ✍:

{* ../../docs_src/path_params/tutorial002.py hl[7] *}

👉 💼, `item_id` 📣 `int`.

      ImmutableSet.of(
          // keep-sorted start
          "dominio.com.co",
          "foo.bar.ca",
          "foo.bar.co.il",
          "foo.bar.com",
          "foo.blogspot.co.uk",
          "foo.blogspot.com",
          "foo.ca",
          "foo.eDu.au",
          "foo.uk.com",
          "home.netscape.com",
          "pvt.k12.ca.us",
          "state.CA.us",

    map.put("foo", 1);
    map.put("bar", 2);
    map.put("quux", 3);

    map.remove("foo");
    assertThat(map.entrySet())
        .containsExactly(immutableEntry("bar", 2), immutableEntry("quux", 3))
        .inOrder();
  }

  public void testInsertionOrderAfterRemoveMiddle() {
    BiMap<String, Integer> map = HashBiMap.create();
    map.put("foo", 1);
    map.put("bar", 2);

Це означатиме, що  **FastAPI**  очікуватиме тіло запиту такого вигляду:

```JSON
{
    "name": "Foo",
    "description": "The pretender",
    "price": 42.0,
    "tax": 3.2,
    "tags": ["rock", "metal", "bar"],
    "image": {
        "url": "http://example.com/baz.jpg",
        "name": "The Foo live"
    }
}
```

Завдяки такій декларації у **FastAPI** Ви отримуєте:

    create().element();
    create().offer("foo");
    create().peek();
    create().poll();
    create().remove();
    create().add("foo");
    create().addAll(ImmutableList.of("foo"));
    create().clear();
    create().contains("foo");
    create().containsAll(ImmutableList.of("foo"));
    create().equals(new ArrayDeque<>(ImmutableList.of("foo")));
    create().hashCode();
    create().isEmpty();