Enum ExtensionHandlerLookupError 

pub enum ExtensionHandlerLookupError {
    RegistryNotFrozen,
    HandlerNotFound(ExtensionHandlerKey),
}

Failure while looking up a registered extension handler.

Variants

RegistryNotFrozen

Lookup is unavailable until the capability and handler registries are frozen together.

HandlerNotFound(ExtensionHandlerKey)

No typed handler is registered for the admitted capability and request method.

Trait Implementations

impl Clone for ExtensionHandlerLookupError

fn clone(&self) -> ExtensionHandlerLookupError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExtensionHandlerLookupError

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

Formats the value using the given formatter.

impl Display for ExtensionHandlerLookupError

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

Formats the value using the given formatter.

impl Eq for ExtensionHandlerLookupError

impl Error for ExtensionHandlerLookupError

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 PartialEq for ExtensionHandlerLookupError

fn eq(&self, other: &ExtensionHandlerLookupError) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ExtensionHandlerLookupError