Module classify 

Failure classification, kept independent from retry/breaker policy.

Enums

FailureClass

Coarse classification of an outcome (used by the circuit breaker).

RetryDecision

Whether the engine should retry after an outcome.

Type Aliases

RetryAfterExtractor

An optional closure that extracts an explicit retry-after delay hint from an error value. Used by crate::retry::Retry::retry_after.