"isbn-9781439512982": "Isaac Asimov: The Complete Stories, Vol. 2",
}


def check_valid_id(id: str):
    if not id.startswith(("isbn-", "imdb-")):
        raise ValueError('Invalid ID format, it must start with "isbn-" or "imdb-"')
    return id


@app.get("/items/")
async def read_items(
    id: Annotated[str | None, AfterValidator(check_valid_id)] = None,
):
    if id:

     * must be less than 2,048 characters.
     */
    private String loc;

    /**
     * The date of last modification of the file. This date should be in W3C
     * Datetime format. This format allows you to omit the time portion, if
     * desired, and use YYYY-MM-DD.
     *
     * Note that this tag is separate from the If-Modified-Since (304) header

            for (int packetType : packetTypes) {
                assertTrue(packetType >= 0x00 && packetType <= 0x16,
                        String.format("Packet type 0x%02X should be in valid range 0x00-0x16", packetType));
            }
        }

        @Test
        @DisplayName("Fragment flags should be within byte range")

        final long usage = this.usageCount.decrementAndGet();
        if (usage == 0) {
            closeInternal(0L, false);
        } else if (log.isTraceEnabled()) {
            log.trace(String.format("Release %s (%d)", this, usage));
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override

package org.codelibs.fess.util;

import java.net.Inet6Address;
import java.net.InetAddress;

/**
 * Utility class for handling IP addresses, particularly IPv6 addresses in URLs.
 * This class provides methods to properly format IPv6 addresses for use in URLs
 * by adding brackets where necessary.
 */
public final class IpAddressUtil {

    /**
     * Private constructor to prevent instantiation of utility class.
     */

### Otras formas de código asíncrono { #other-forms-of-asynchronous-code }

Este estilo de usar `async` y `await` es relativamente nuevo en el lenguaje.

Pero hace que trabajar con código asíncrono sea mucho más fácil.

	var format, version uint16
	switch filepath.Base(path) {
	case batchReplName:
		version = batchReplVersionV1
		format = batchReplFormat
	case batchKeyRotationName:
		version = batchKeyRotateVersionV1
		format = batchKeyRotationFormat
	case batchExpireName:
		version = batchExpireVersionV1
		format = batchExpireFormat
	default:

// TimeFormat - logging time format.
const TimeFormat string = "15:04:05 MST 01/02/2006"

var matchingFuncNames = [...]string{
	"http.HandlerFunc.ServeHTTP",
	"cmd.serverMain",
	// add more here ..
}

// quietFlag: Hide startup messages if enabled
// jsonFlag: Display in JSON format, if enabled
var (
	quietFlag, jsonFlag, anonFlag bool
	// Custom function to format error
	// can be registered by RegisterError

}

func (d Destination) String() string {
	return d.ARN
}

// LegacyArn returns true if arn format has prefix "arn:aws:s3:::" which was
// used prior to multi-destination
func (d Destination) LegacyArn() bool {
	return strings.HasPrefix(d.ARN, DestinationARNPrefix)
}

// TargetArn returns true if arn format has prefix  "arn:minio:replication:::"
// used for multi-destination targets
func (d Destination) TargetArn() bool {

		case time.Time:
			if v.IsZero() {
				vars[idx] = escaper + tmFmtZero + escaper
			} else {
				vars[idx] = escaper + v.Format(tmFmtWithMS) + escaper
			}
		case *time.Time:
			if v != nil {
				if v.IsZero() {
					vars[idx] = escaper + tmFmtZero + escaper
				} else {
					vars[idx] = escaper + v.Format(tmFmtWithMS) + escaper
				}
			} else {
				vars[idx] = nullStr
			}
		case driver.Valuer: