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Module error

arcp_core

Module error 

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Canonical error model (RFC §18).

Two layered types:

  • ErrorCode — the wire-level taxonomy from §18.2 as a #[non_exhaustive] enum. Exists so the runtime, the client, and external code can pattern-match on a single source of truth.
  • ARCPError — the in-process Result<_, _> error returned from library APIs. Each variant maps onto an ErrorCode via ARCPError::code and carries enough context to reconstruct an error envelope (§18.1) without a second lookup.

The ARCPError::retryable method follows the RFC §18.3 default taxonomy. Callers MAY override per-call via the returned envelope’s retryable field, but the in-process default is what retryable() reports.

Enums§

ARCPError
In-process error type returned from library APIs.
ErrorCode
Canonical wire-level error code (RFC §18.2).