Enum Error

pub enum Error {
    RoleAlreadyExists(String),
    RoleNotFound(String),
    SubjectNotFound(String),
    PermissionDenied(String),
    CircularDependency(String),
    InvalidPermission(String),
    InvalidResource(String),
    ElevationExpired(String),
    MaxDepthExceeded(usize),
    Storage(String),
    InvalidConfiguration(String),
}

The main error type for role system operations.

Variants

RoleAlreadyExists(String)

Role with the given name already exists.

RoleNotFound(String)

Role with the given name was not found.

SubjectNotFound(String)

Subject with the given ID was not found.

PermissionDenied(String)

Permission was denied for the requested operation.

CircularDependency(String)

Circular dependency detected in role hierarchy.

InvalidPermission(String)

Invalid permission format.

InvalidResource(String)

Invalid resource format.

ElevationExpired(String)

Role elevation has expired.

MaxDepthExceeded(usize)

Maximum role hierarchy depth exceeded.

Storage(String)

Storage operation failed.

InvalidConfiguration(String)

Invalid configuration.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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.