Enum RegistrationError

pub enum RegistrationError {
    AlreadyExists,
    MaxListenersExceeded,
    NoSuchListener,
    PushDeliveryMethodNotSupported,
    InvalidFilter(String),
    Unknown(UStatus),
}

An error indicating a problem with registering or unregistering a message listener.

Variants

AlreadyExists

Indicates that a listener for a given address already exists.

MaxListenersExceeded

Indicates that the maximum number of listeners supported by the Transport Layer implementation has already been registered.

NoSuchListener

Indicates that no listener is registered for given pattern URIs.

PushDeliveryMethodNotSupported

Indicates that the underlying Transport Layer implementation does not support registration and notification of message handlers.

InvalidFilter(String)

Indicates that some of the given filters are inappropriate in this context.

Unknown(UStatus)

Indicates a generic error.

Trait Implementations

impl Clone for RegistrationError

fn clone(&self) -> RegistrationError

Returns a duplicate of the value.

const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RegistrationError

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

Formats the value using the given formatter.

impl Display for RegistrationError

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

Formats the value using the given formatter.

impl Error for RegistrationError

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<UStatus> for RegistrationError

fn from(value: UStatus) -> Self

Converts to this type from the input type.