type BucketMetricsLoaderFn func(context.Context, MetricValues, *metricsCache, []string) error

// JoinBucketLoaders - joins multiple bucket loaders into a single loader,
// similar to `JoinLoaders`.
func JoinBucketLoaders(loaders ...BucketMetricsLoaderFn) BucketMetricsLoaderFn {
	return func(ctx context.Context, m MetricValues, c *metricsCache, b []string) error {
		for _, loader := range loaders {

Der Vorteil, eine Exception auszulösen (`raise`), statt sie zurückzugeben (`return`) wird im Abschnitt über Abhängigkeiten und Sicherheit klarer werden.

public class SearchEngineClientExceptionTest extends UnitFessTestCase {

    public void test_constructor_withMessage() {
        // Test constructor with message only
        String message = "Test error message";
        SearchEngineClientException exception = new SearchEngineClientException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());

//   and these structs are allocated/deallocated via the API.
// * TF_Status holds error information.  It is an object type
//   and therefore is passed around as a pointer to an opaque
//   struct as mentioned above.
// * Every call that has a TF_Status* argument clears it on success
//   and fills it with error info on failure.
// * unsigned char is used for booleans (instead of the 'bool' type).

		cr.err = err
		return n, cr.err
	}
	if b != '\r' {
		cr.err = errMalformedEncoding
		return n, cr.err
	}
	b, err = cr.reader.ReadByte()
	if err == io.EOF {
		err = io.ErrUnexpectedEOF
	}
	if err != nil {
		cr.err = err
		return n, cr.err
	}
	if b != '\n' {
		cr.err = errMalformedEncoding
		return n, cr.err
	}

	if cap(cr.buffer) < size {
		cr.buffer = make([]byte, size)
	} else {

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "type"),
    level = DeprecationLevel.ERROR,
  )
  fun type(): String = type

  @JvmName("-deprecated_subtype")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "subtype"),
    level = DeprecationLevel.ERROR,
  )
  fun subtype(): String = subtype

  /**

        // Simulate error status
        when(mockResponse.isError()).thenReturn(true);
        assertTrue(mockResponse.isError());

        // Verify the method was called
        verify(mockResponse, times(2)).isError();
    }

    @Test
    void testError() {
        // Call the method
        mockResponse.error();

        // Verify that the method was called

func loadDataUsageFromBackend(ctx context.Context, objAPI ObjectLayer) (DataUsageInfo, error) {
	buf, err := readConfig(ctx, objAPI, dataUsageObjNamePath)
	if err != nil {
		buf, err = readConfig(ctx, objAPI, dataUsageObjNamePath+".bkp")
		if err != nil {
			if errors.Is(err, errConfigNotFound) {
				return DataUsageInfo{}, nil
			}
			return DataUsageInfo{}, toObjectErr(err, minioMetaBucket, dataUsageObjNamePath)
		}
	}

				err = msgp.WrapError(err, "Attempts")
				return
			}
		case "cmp":
			z.Complete, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "Complete")
				return
			}
		case "fld":
			z.Failed, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "Failed")
				return
			}
		case "lbkt":
			z.Bucket, err = dc.ReadString()
			if err != nil {

        assertEquals("/share/file.txt", context.get("path"));
        assertEquals("testuser", context.get("user"));
    }

    @Test
    @DisplayName("Should identify error categories correctly")
    void testErrorCategories() {
        // Network error
        exception = new SmbOperationException(SmbOperationException.ErrorCode.CONNECTION_RESET, "Connection lost");
        assertTrue(exception.isNetworkError());