Enum ErrorKind 

pub enum ErrorKind {
    BadRequest,
    Unauthenticated,
    Unauthorized,
    NotFound,
    MethodNotAllowed,
    Conflict,
    PayloadTooLarge,
    Validation,
    TooManyRequests,
    Internal,
    ServiceUnavailable,
    Status(u16),
}

The class of failure, which is also the HTTP status it renders as.

Each domain failure names its status (authentication → 401, validation → 422, …) so the “throw a domain error, get the right response” flow works without any component knowing the renderer.

Variants

BadRequest

400 — the request was malformed.

Unauthenticated

401 — no (or invalid) credentials. Raised by guards.

Unauthorized

403 — authenticated but not permitted. Raised by gates/policies.

NotFound

404 — no such route or model.

MethodNotAllowed

405 — the route exists but not for this method.

Conflict

409 — the request conflicts with current state.

PayloadTooLarge

413 — the body exceeded the configured limit.

Validation

422 — the request was well-formed but failed validation.

TooManyRequests

429 — throttled.

Internal

500 — an unhandled internal failure.

ServiceUnavailable

503 — the app is down for maintenance or a dependency is unavailable.

Status(u16)

Any other status, set explicitly.

Implementations

impl ErrorKind

pub fn status(self) -> u16

The HTTP status this kind renders as.

pub fn is_server_error(self) -> bool

true for 5xx — the errors worth logging as faults rather than as ordinary client mistakes.

Trait Implementations

impl Clone for ErrorKind

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ErrorKind

impl Debug for ErrorKind

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

Formats the value using the given formatter.

impl Eq for ErrorKind

impl PartialEq for ErrorKind

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ErrorKind