//   HTTP status code 404 ("no such key")
			//   error.
			// * if you don’t have the s3:ListBucket
			//   permission, Amazon S3 will return an HTTP
			//   status code 403 ("access denied") error.`
			if globalPolicySys.IsAllowed(policy.BucketPolicyArgs{
				Action:          policy.ListBucketAction,
				BucketName:      bucket,
				ConditionValues: getConditionValues(r, "", auth.AnonymousCredentials),

	// . followed by 1 or more digits
	if c == '.' {
		isFloat = true
		d.scratch.add(c)

		// first char following must be digit
		if c = d.next(); c < '0' || c > '9' {
			return 0, d.mkError(ErrSyntax, "after decimal point in numeric literal")
		}
		d.scratch.add(c)

		for {
			if d.remaining() == 0 {
				return 0, d.mkError(ErrUnexpectedEOF)
			}
			if c = d.next(); c < '0' || c > '9' {
				break
			}

		return nil, err
	}

	if !hold.Status.Valid() {
		return nil, ErrMalformedXML
	}
	return
}

// FilterObjectLockMetadata filters object lock metadata if s3:GetObjectRetention permission is denied or if isCopy flag set.
func FilterObjectLockMetadata(metadata map[string]string, filterRetention, filterLegalHold bool) map[string]string {
	// Copy on write
	dst := metadata
	var copied bool

    /** The key of the configuration. e.g. R */
    String ROLE_SEARCH_ROLE_PREFIX = "role.search.role.prefix";

    /** The key of the configuration. e.g. D */
    String ROLE_SEARCH_DENIED_PREFIX = "role.search.denied.prefix";

    /** The key of the configuration. e.g. / */
    String COOKIE_DEFAULT_PATH = "cookie.default.path";

    /** The key of the configuration. e.g. 3600 */

 *
 * @since 2.0
 */
@DoNotMock("Use ImmutableList.of or another implementation")
@GwtCompatible(emulated = true)
@SuppressWarnings("serial") // we're overriding default serialization
@ElementTypesAreNonnullByDefault
// TODO(kevinb): I think we should push everything down to "BaseImmutableCollection" or something,

The document is not comprehensive.
</p>

<p>
The assembler is based on the input style of the Plan 9 assemblers, which is documented in detail
<a href="https://9p.io/sys/doc/asm.html">elsewhere</a>.
If you plan to write assembly language, you should read that document although much of it is Plan 9-specific.

///

## データバリデーション

しかしブラウザで <a href="http://127.0.0.1:8000/items/foo" class="external-link" target="_blank">http://127.0.0.1:8000/items/foo</a> を開くと、次のHTTPエラーが表示されます:

```JSON
{
    "detail": [
        {
            "loc": [
                "path",
                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]

   * consistently between their order within {@code valuesInExpectedOrder} and the order implied by
   * the given {@code comparator}.
   *
   * <p>In detail, this method asserts
   *
   * <ul>
   *   <li><i>reflexivity</i>: {@code comparator.compare(t, t) = 0} for all {@code t} in {@code
   *       valuesInExpectedOrder}; and

	return start, end - start + 1, nil
}

// S3Select - filters the contents on a simple structured query language (SQL) statement. It
// represents elements inside <SelectRequest/> in request XML specified in detail at
// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectSELECTContent.html.
type S3Select struct {
	XMLName        xml.Name            `xml:"SelectRequest"`
	Expression     string              `xml:"Expression"`

<p>
A floating-point literal is a decimal or hexadecimal representation of a
<a href="#Constants">floating-point constant</a>.
</p>

<p>
A decimal floating-point literal consists of an integer part (decimal digits),
a decimal point, a fractional part (decimal digits), and an exponent part
(<code>e</code> or <code>E</code> followed by an optional sign and decimal digits).