def test_default_placeholder_equals():
    placeholder_1 = Default("a")
    placeholder_2 = Default("a")
    assert placeholder_1 == placeholder_2
    assert placeholder_1.value == placeholder_2.value


def test_default_placeholder_bool():
    placeholder_a = Default("a")
    placeholder_b = Default("")
    assert placeholder_a
    assert not placeholder_b

from typing import Annotated

from fastapi import FastAPI, Header

app = FastAPI()


@app.get("/items/")
async def read_items(x_token: Annotated[list[str] | None, Header()] = None):

    ):

        @app.get("/items/{item_id}/")
        async def get_item(item_id: Annotated[int, Path(default=1)]):
            pass  # pragma: nocover

    with pytest.raises(
        AssertionError,
        match=(
            "`Query` default value cannot be set in `Annotated` for 'item_id'. Set the"
            " default value with `=` instead."
        ),
    ):

///

## Errores de dependencias y valores de retorno { #dependencies-errors-and-return-values }

Puedes usar las mismas *funciones* de dependencia que usas normalmente.

### Requisitos de dependencia { #dependency-requirements }

Pueden declarar requisitos de request (como headers) u otras sub-dependencias:

	if err != nil {
		t.Fatal(err)
	}

	// Put an initial object so it exists
	_, err = obj.PutObject(ctx, bucket, object,
		mustGetPutObjReader(t, bytes.NewReader([]byte("initial-value")),
			int64(len("initial-value")), "", ""), ObjectOptions{})
	if err != nil {
		t.Fatal(err)
	}

	// Get object info to capture the ETag
	objInfo, err := obj.GetObjectInfo(ctx, bucket, object, ObjectOptions{})
	if err != nil {

                    "org.gradle.ci.agentCount" to 2,
                    "org.gradle.ci.agentNum" to BuildEnvironment.agentNum
                ).map {
                    "-D${it.key}=${it.value}"
                }
        } else {
            listOf()
        }
    }

    private
    fun getToolchainInstallationPathsProperty(): List<String> {

	yyyymmdd        = "20060102"
)

type serviceType string

const (
	serviceS3  serviceType = "s3"
	serviceSTS serviceType = "sts"
)

// getCanonicalHeaders generate a list of request headers with their values
func getCanonicalHeaders(signedHeaders http.Header) string {
	var headers []string
	vals := make(http.Header, len(signedHeaders))
	for k, vv := range signedHeaders {
		k = strings.ToLower(k)
		headers = append(headers, k)

			"SELECT * FROM `users` WHERE name = ? AND `users`.`deleted_at` IS NULL ORDER BY `users`.`id` LIMIT ?",
			"INSERT INTO `users` (`created_at`,`updated_at`,`deleted_at`,`name`,`age`,`birthday`,`company_id`,`manager_id`,`active`) VALUES (?,?,?,?,?,?,?,?,?)",

        format(prop.additionalValues[0].title) == 'inherited'
        format(prop.additionalValues[0].value) == 'specific1'
        format(prop.additionalValues[1].title) == 'overridden'
        format(prop.additionalValues[1].value) == 'specific3'
        format(prop.additionalValues[2].title) == 'added'
        format(prop.additionalValues[2].value) == 'specific2'

        def prop2 = doc.classProperties[1]
        prop2.name == 'b'

            if (s.ordinal() <= severity.ordinal() && problemsReportedFor(s) > 0) {
                return true;
            }
        }
        return false;
    }

    /**
     * Returns total count of problems reported.
     */
    default int totalProblemsReported() {
        return problemsReportedFor(BuilderProblem.Severity.values());
    }

    /**