{
    "name": "Foo",
    "description": "An optional description",
    "price": 45.2,
    "tax": 3.5
}
```

...como `description` e `tax` são opcionais (com um valor padrão de `None`), esse JSON "`object`" também é válido:

```JSON
{
    "name": "Foo",
    "price": 45.2
}
```

## Declare como um parâmetro { #declare-it-as-a-parameter }

  /**
   * Validation method used by {@code from} to ensure that the domain name is syntactically valid
   * according to RFC 1035.
   *
   * @return Is the domain name syntactically valid?
   */
  private static boolean validateSyntax(List<String> parts) {
    int lastIndex = parts.size() - 1;

    // Validate the last part specially, as it has different syntax rules.

    if (!validatePart(parts.get(lastIndex), true)) {

		{"error not equal", errors.New("1"), errors.New("2"), false},
		{"driver.Valuer equal", ModifyAt{Time: now, Valid: true}, ModifyAt{Time: now, Valid: true}, true},
		{"driver.Valuer not equal", ModifyAt{Time: now, Valid: true}, ModifyAt{Time: now.Add(time.Second), Valid: true}, false},
		{"driver.Valuer equal (ptr to nil ptr)", (*ModifyAt)(nil), &ModifyAt{}, false},
	}
	for _, test := range assertEqualTests {

app = FastAPI()


@dataclass
class Item:
    name: str
    date: datetime
    price: Optional[float] = None
    owner_ids: Optional[list[int]] = None


@app.get("/items/valid", response_model=Item)
def get_valid():
    return {"name": "valid", "date": datetime(2021, 7, 26), "price": 1.0}


@app.get("/items/object", response_model=Item)
def get_object():
    return Item(

func (idx Index) PrimaryKey() (isPrimaryKey bool, ok bool) {
	return idx.PrimaryKeyValue.Bool, idx.PrimaryKeyValue.Valid
}

// Unique returns whether the index is unique or not.
func (idx Index) Unique() (unique bool, ok bool) {
	return idx.UniqueValue.Bool, idx.UniqueValue.Valid
}

// Option return the optional attribute of the index
func (idx Index) Option() string {
	return idx.OptionValue

        // Act: first valid next should be the second element
        assertTrue(itr.hasNext());
        SmbResource r = itr.next();

        // Assert: the invalid name was skipped, valid one returned
        assertNotNull(r);
        assertTrue(r.getName().startsWith("OKSERVER"), "Expected valid entry to be adapted");
        assertFalse(itr.hasNext());
    }

    @Test

    assert response.json() == {
        "detail": [
            {
                "type": "int_parsing",
                "loc": ["query", "query"],
                "msg": "Input should be a valid integer, unable to parse string as an integer",
                "input": "42.5",
            }
        ]
    }


def test_query_int_query_baz():
    response = client.get("/query/int?query=baz")

        // Test excessive maxTransactSize (> 16MB)
        SMBUtil.writeInt4(20 * 1024 * 1024, buffer, 28); // 20MB
        SMBUtil.writeInt4(1024 * 1024, buffer, 32); // 1MB read size - valid
        SMBUtil.writeInt4(1024 * 1024, buffer, 36); // 1MB write size - valid

        SMBProtocolDecodingException exception = assertThrows(SMBProtocolDecodingException.class, () -> {
            response.readBytesWireFormat(buffer, 0);
        });

		wantErr bool
	}{
		{
			name: "valid resource ID must succeed",
			args: args{
				resourceID:   "my-role",
				serverRegion: "us-east-1",
			},
			want: ARN{
				Partition:    "minio",
				Service:      "iam",
				Region:       "us-east-1",
				ResourceType: "role",
				ResourceID:   "my-role",
			},
			wantErr: false,
		},
		{
			name: "valid resource ID must succeed",
			args: args{

            // Test minimum valid TID
            smb2Response.setTreeId(0);
            assertTrue(smb2Response.isValidTid(), "TID 0 should be valid");

            // Test maximum valid TID
            smb2Response.setTreeId(Integer.MAX_VALUE);
            assertTrue(smb2Response.isValidTid(), "Maximum TID should be valid");

            // Test invalid TID