Enum ExtensionError 

pub enum ExtensionError {
    FamilyAlreadyRegistered(String),
    MissingDependency {
        extension: String,
        dependency: String,
    },
    IncompatibleVersion {
        extension: String,
        required: (u32, u32, u32),
        found: (u32, u32, u32),
    },
}

Errors that can occur during extension registration

Variants

FamilyAlreadyRegistered(String)

Attempted to register a function family that already exists

MissingDependency

Extension depends on a family that hasn’t been registered yet

Fields

extension: String

dependency: String

IncompatibleVersion

Version compatibility issue

Fields

extension: String

required: (u32, u32, u32)

found: (u32, u32, u32)

Trait Implementations

impl Clone for ExtensionError

fn clone(&self) -> ExtensionError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExtensionError

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

Formats the value using the given formatter.

impl Display for ExtensionError

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

Formats the value using the given formatter.

impl Error for ExtensionError

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.