}
			labels = append(labels, readVal(v, path)...)
			if len(path) > 0 {
				path = path[:len(path)-1]
			}
		}
	}
	return labels
}

// Parses a slice in the yaml file
func readSlice(slc []any, path []string) []string {
	labels := make([]string, 0)
	for _, v := range slc {
		labels = append(labels, readVal(v, path)...)
	}
	return labels
}

	switch src := r.src.(type) {
	case *lockedSource:
		return src.read(p, &r.readVal, &r.readPos)
	case *runtimeSource:
		return src.read(p, &r.readVal, &r.readPos)
	}
	return read(p, r.src, &r.readVal, &r.readPos)
}

func read(p []byte, src Source, readVal *int64, readPos *int8) (n int, err error) {
	pos := *readPos
	val := *readVal
	rng, _ := src.(*rngSource)
	for n = 0; n < len(p); n++ {
		if pos == 0 {

			if _, err := p.readVal(); err != nil {
				return errMalformedVarint
			}
			ln, err := p.readVal()
			if err != nil {
				return err
			}
			if !p.discard(ln) {
				return fmt.Errorf("failed to read trace: %w", io.EOF)
			}
		} else {
			// String dictionary entry [ID, length, string].
			id, err := p.readVal()
			if err != nil {
				return err
			}

	Key2_Val2	Feature = "key2.val2"`

func TestReadVal(t *testing.T) {
	m := make(map[any]any)

	err := yaml.Unmarshal([]byte(testYaml), &m)
	if err != nil {
		t.Errorf(err.Error())
	}

	s1 := readVal(m, make([]string, 0))

	sort.Strings(s1)

	if strings.Join(s1, "\n") != expectedResult {
		t.Errorf("Expected '%s' got '%s'", expectedResult, strings.Join(s1, "\n"))
	}

		for i := range data {
			data[i] = 0xfe
		}
		n, err := r.ReadAt(data, 0)
		if n != len(data) || err != nil && err != io.EOF {
			return fmt.Errorf("ReadAt(%d, 0) = %v, %v, want %d, nil or EOF", len(data), n, err, len(data))
		}
		if !bytes.Equal(data, content) {
			return fmt.Errorf("ReadAt(%d, 0) = %q\n\twant %q", len(data), data, content)
		}

		n, err = r.ReadAt(data[:1], int64(len(data)))
		if n != 0 || err != io.EOF {

	r.Reset(want)
	if err := r.UnreadRune(); err == nil {
		t.Errorf("UnreadRune: expected error, got nil")
	}
	buf, err := io.ReadAll(r)
	if err != nil {
		t.Errorf("ReadAll: unexpected error: %v", err)
	}
	if got := string(buf); got != want {
		t.Errorf("ReadAll: got %q, want %q", got, want)
	}
}

func TestReaderZero(t *testing.T) {
	if l := (&strings.Reader{}).Len(); l != 0 {

	storageRESTMethodCreateFile     = "/createfile"
	storageRESTMethodWriteAll       = "/writeall"
	storageRESTMethodReadVersion    = "/readversion"
	storageRESTMethodReadXL         = "/readxl"
	storageRESTMethodReadAll        = "/readall"
	storageRESTMethodReadFile       = "/readfile"
	storageRESTMethodReadFileStream = "/readfilestream"
	storageRESTMethodListDir        = "/listdir"
	storageRESTMethodDeleteVersions = "/deleteverions"

// ReadAt blocks until either all the data is available or an error occurs.
// In this respect ReadAt is different from Read.
//
// If the n = len(p) bytes returned by ReadAt are at the end of the
// input source, ReadAt may return either err == EOF or err == nil.
//
// If ReadAt is reading from an input source with a seek offset,
// ReadAt should not affect nor be affected by the underlying

func ExampleTeeReader() {
	var r io.Reader = strings.NewReader("some io.Reader stream to be read\n")

	r = io.TeeReader(r, os.Stdout)

	// Everything read from r will be copied to stdout.
	if _, err := io.ReadAll(r); err != nil {
		log.Fatal(err)
	}

	// Output:
	// some io.Reader stream to be read
}

func ExampleSectionReader() {
	r := strings.NewReader("some io.Reader stream to be read\n")

		return err
	}
	return d.disk.WriteAll(ctx, volume, path, b)
}

func (d *naughtyDisk) ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error) {
	if err := d.calcError(); err != nil {
		return nil, err
	}
	return d.disk.ReadAll(ctx, volume, path)
}

func (d *naughtyDisk) ReadXL(ctx context.Context, volume string, path string, readData bool) (rf RawFileInfo, err error) {