Enum BackendError 

pub enum BackendError {
    Transport(String),
    Auth(String),
    Provider(String),
    Timeout,
    RateLimited,
    Cancelled,
}

Error type for backend operations.

Variants

Transport(String)

Network or IO error.

Auth(String)

Authentication failure (bad key, expired token).

Provider(String)

Provider returned an error response.

Timeout

Request timed out.

RateLimited

Rate limit exceeded.

Cancelled

Request was cancelled.

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, f: &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.