wg.Wait()
			extra := ""
			if n > 0 {
				extra = fmt.Sprintf(" after %d successful object(s)", n)
			}
			return fmt.Errorf("tar file error: %w%s", err, extra)

		// if the header is nil, just skip it (not sure how this happens)
		case header == nil:
			continue
		}

		name := header.Name
		switch path.Clean(name) {
		case ".", slashSeparator:
			continue
		}

		switch header.Typeflag {

For example, if you want to read or manipulate the request body before it is processed by your application.

/// danger

This is an "advanced" feature.

If you are just starting with **FastAPI** you might want to skip this section.

///

## Use cases { #use-cases }

Some use cases include:

}

// NewDummyDataGen returns a ReadSeeker over the first `totalLength`
// bytes from the infinite stream consisting of repeated
// concatenations of `alphabets`.
//
// The skipOffset (generally = 0) can be used to skip a given number
// of bytes from the beginning of the infinite stream. This is useful
// to compare such streams of bytes that may be split up, because:
//
// Given the function:
//
//	f := func(r io.Reader) string {

        if (commitId.isBlank() || commitId.toLowerCase(Locale.ROOT).contains("unknown")) {
            // we can't figure out the commit ID (probably this is a source distribution build), let's skip adding source links
            return;
        }

        extension.getSourceRoots().getFiles()
            .forEach(
                file -> {

   *
   * We'd just use PackageSanityTests directly, saving us from needing this separate type, but we're
   * currently skipping MediumTests on Android, and we skip them by not making them present at
   * runtime at all. I could just make _this_ test a MediumTest, but then it wouldn't run on
   * Android.... The right long-term fix is probably to get MediumTests running under Android by

    HashCode expectedHash = Hashing.md5().hashBytes(new byte[] {'m', 's'});
    HashingInputStream in = new HashingInputStream(Hashing.md5(), buffer);

    long numOfByteSkipped = in.skip(2);
    assertEquals(2, numOfByteSkipped);

    byte[] buf = new byte[4];
    int numOfByteRead = in.read(buf, 0, buf.length);
    assertEquals(2, numOfByteRead);

    assertEquals(expectedHash, in.hash());

loop:
	for i, obj := range objs {
		event := e.policy.eval(obj, now, newerNoncurrentVersions)
		switch event.Action {
		case DeleteAllVersionsAction, DelMarkerDeleteAllVersionsAction:
			// Skip if bucket has object locking enabled; To prevent the
			// possibility of violating an object retention on one of the
			// noncurrent versions of this object.
			if e.lockRetention != nil && e.lockRetention.LockEnabled {

     *
     * @param parent the parent element (e.g., dependency or plugin)
     * @param groupId the groupId value
     * @param artifactId the artifactId value
     * @param version the version value (can be null to skip)
     *
     */
    public static void addGAVElements(Element parent, String groupId, String artifactId, String version) {
        insertContentElement(parent, GROUP_ID, groupId);

		{"ChecksumSHA256-full-object", ChecksumSHA256, true, true}, // SHA256 does not support full object
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Skip invalid cases where SHA1 or SHA256 is used with full object
			if (tt.checksum.Is(ChecksumSHA1) || tt.checksum.Is(ChecksumSHA256)) && tt.fullobj {
				// Validate that NewChecksumType correctly marks these as invalid

				// Determine if os.NotExist error is because of
				// baseDir's parent being present, retry it once such
				// that the MkdirAll is retried once for the parent
				// of dirPath.
				// Because it is worth a retry to skip a different
				// baseDir which is slightly higher up the depth.
				nbaseDir := path.Dir(baseDir)
				if baseDir != "" && nbaseDir != "" && nbaseDir != SlashSeparator {
					baseDir = nbaseDir
				}
				continue