Enum BackendError 

pub enum BackendError {
    InternalError(Box<dyn Error + Send>),
    ConnectionError(Box<dyn Error + Send>),
    FormatError(FormatError),
    CompressionError(CompressionError),
}

Error type for backend operations.

This enum categorizes errors that can occur during cache backend interactions into distinct groups for appropriate handling.

Variants

InternalError(Box<dyn Error + Send>)

Internal backend error, state or computation error.

Any error not related to network interaction.

ConnectionError(Box<dyn Error + Send>)

Network interaction error.

Errors occurring during communication with remote backends (e.g., Redis).

FormatError(FormatError)

Serialization or deserialization error.

CompressionError(CompressionError)

Compression or decompression error.

Trait Implementations

impl Debug for BackendError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for BackendError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for BackendError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<CompressionError> for BackendError

fn from(source: CompressionError) -> Self

Converts to this type from the input type.

impl From<FormatError> for BackendError

fn from(source: FormatError) -> Self

Converts to this type from the input type.