Enum ProtocolMetadataError 

pub enum ProtocolMetadataError {
    InvalidNamespace,
    TooManyNamespaces,
    TooLarge,
    TooDeep,
    Serialization(Error),
}

Error returned when validating extension metadata.

Variants

InvalidNamespace

A namespace does not follow the required reverse-domain form.

TooManyNamespaces

The map contains too many namespaces.

TooLarge

The encoded map exceeds the byte limit.

TooDeep

A value exceeds the nesting-depth limit.

Serialization(Error)

JSON size validation unexpectedly failed.

Trait Implementations

impl Debug for ProtocolMetadataError

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

Formats the value using the given formatter.

impl Display for ProtocolMetadataError

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

Formats the value using the given formatter.

impl Error for ProtocolMetadataError

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<ProtocolMetadataError> for ContentValidationError

fn from(source: ProtocolMetadataError) -> Self

Converts to this type from the input type.

impl From<ProtocolMetadataError> for ProtocolErrorValidationError

fn from(source: ProtocolMetadataError) -> Self

Converts to this type from the input type.

impl From<ProtocolMetadataError> for ExternalContentError

fn from(source: ProtocolMetadataError) -> Self

Converts to this type from the input type.

impl From<ProtocolMetadataError> for RecordValidationError

fn from(source: ProtocolMetadataError) -> Self

Converts to this type from the input type.