Enum FailureKind 

pub enum FailureKind {
    Throttled,
    Unauthorized,
    NotFound,
    UnexpectedStatus,
    Transport,
    Local,
}

Which category a per-input failure fell into, as a stable machine-readable tag.

This is the field a downstream tool branches on instead of matching prose. The tags are wire-facing, so they are kebab-case and must not be renamed once a consumer reads them — a renamed tag silently stops matching, which is the same class of failure as the prose-matching it replaces.

Variants

Throttled

The upstream refused to serve content it has. The one recoverable kind: a different network egress can fetch identical bytes.

Unauthorized

Our credential is insufficient (401/403). Another egress is refused identically.

NotFound

404 — absent, or present but invisible to this credential.

UnexpectedStatus

A non-2xx nobody wrote an arm for; status carries the code.

Transport

DNS / TLS / timeout — no response arrived at all.

Local

Not an HTTP failure: unsupported input type, missing field, IO, extraction.

Trait Implementations

impl Clone for FailureKind

fn clone(&self) -> FailureKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for FailureKind

impl Debug for FailureKind

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

Formats the value using the given formatter.

impl Eq for FailureKind

impl PartialEq for FailureKind

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for FailureKind

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for FailureKind