// globalLockGridStart is a channel that will block startup of lock grid connections until closed.
var globalLockGridStart = make(chan struct{})

func initGlobalGrid(ctx context.Context, eps EndpointServerPools) error {
	hosts, local := eps.GridHosts()
	lookupHost := globalDNSCache.LookupHost
	g, err := grid.NewManager(ctx, grid.ManagerOptions{
		// Pass Dialer for websocket grid, make sure we do not

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.metadata;

/**
 * Error while retrieving repository metadata from the repository.
 *
 */
@Deprecated
public class MetadataRetrievalException extends Exception {

    private ArtifactMetadata artifact;

    // Number value = optionalInt.or(0.5); // error
  }

  @SuppressWarnings("unused") // compilation test
  public void testSampleCodeError2() {
    FluentIterable<? extends Number> numbers = getSomeNumbers();
    Optional<? extends Number> first = numbers.first();
    // Number value = first.or(0.5); // error
  }

  @SuppressWarnings("unused") // compilation test

                    "schema": {
                        "$ref": "#/components/schemas/Item"
                    }
                }
            }
        },
        "422": {
            "description": "Validation Error",
            "content": {
                "application/json": {
                    "schema": {
                        "$ref": "#/components/schemas/HTTPValidationError"
                    }
                }

                                }
                            },
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

import com.google.common.annotations.GwtCompatible;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/** A utility method to perform unchecked casts to suppress errors produced by nullness analyses. */
@GwtCompatible
@ElementTypesAreNonnullByDefault
final class NullnessCasts {
  /**
   * Accepts a {@code @Nullable T} and returns a plain {@code T}, without performing any check that

import com.google.common.annotations.GwtCompatible;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/** A utility method to perform unchecked casts to suppress errors produced by nullness analyses. */
@GwtCompatible
@ElementTypesAreNonnullByDefault
final class NullnessCasts {
  /**
   * Accepts a {@code @Nullable T} and returns a plain {@code T}, without performing any check that

El mismo error aparecería si pasaras un `float` en vez de un `int` como en: <a href="http://127.0.0.1:8000/items/4.2" class="external-link" target="_blank">http://127.0.0.1:8000/items/4.2</a>

/// check | Revisa

Así, con la misma declaración de tipo de Python, **FastAPI** te da validación de datos.

Observa que el error también muestra claramente el punto exacto en el que no pasó la validación.

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.project;

import org.apache.maven.artifact.InvalidRepositoryException;

/**
 * Error constructing an artifact repository.
 */
@Deprecated
public class MissingRepositoryElementException extends InvalidRepositoryException {

    public MissingRepositoryElementException(String message, String repositoryId) {

 * limitations under the License.
 */
package okhttp3.internal.http2

/** http://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-7 */
enum class ErrorCode constructor(val httpCode: Int) {
  /** Not an error!  */
  NO_ERROR(0),

  PROTOCOL_ERROR(1),

  INTERNAL_ERROR(2),

  FLOW_CONTROL_ERROR(3),

  SETTINGS_TIMEOUT(4),

  STREAM_CLOSED(5),

  FRAME_SIZE_ERROR(6),

  REFUSED_STREAM(7),