Enum BusError 

#[non_exhaustive]
pub enum BusError {
    Connection(String),
    NotFound(String),
    CasConflict {
        expected: u64,
        actual: u64,
    },
    Timeout,
    Retryable(String),
    Permanent(String),
    Unsupported(String),
    Invalid(String),
}

Inter-agent bus errors.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Connection(String)

Network or broker connectivity failure.

NotFound(String)

Subject / queue / bucket not found.

CasConflict

CAS revision mismatch.

Fields

expected: u64

Caller’s expected revision.

actual: u64

Actual current revision.

Timeout

Operation exceeded its deadline.

Retryable(String)

Generic transient failure flagged by impl as retryable.

Permanent(String)

Generic permanent failure.

Unsupported(String)

Operation not implemented by this KvStore backend.

Invalid(String)

Caller supplied an invalid argument that the bus refuses to accept (e.g. a subject segment containing reserved metacharacters). Permanent — retry would fail identically.

Implementations

impl BusError

pub fn retryable(&self) -> bool

Returns true if the runtime should retry the operation.

Trait Implementations

impl Debug for BusError

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

Formats the value using the given formatter.

impl Display for BusError

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

Formats the value using the given formatter.

impl Error for BusError

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<BusError> for Error

fn from(source: BusError) -> Self

Converts to this type from the input type.