Module multi 

Multi-revision judgment: one trace against several protocol revisions in a single pass, with per-clause applicability differences made visible.

validate_revisions projects a RegistrySet to each requested revision, runs the ordinary engine::validate against each projection, and aligns the results into a MultiReport: one row per clause in the union, carrying its outcome under every judged revision. A clause that does not exist at a revision (its applies range excludes it) reports None there — absent, which the report keeps distinct from Outcome::NotApplicable (the clause exists at that revision but a capability gating it was never negotiated, ADR-0006). Seeing both side by side is what makes a migration’s gains and losses legible: a clause removed in the newer revision reads pass then absent; one introduced there reads absent then pass.

Against the two registries this build ships, those are the only patterns — see MultiRow::differs for why, and for what that costs the *differs marker.

Structs

MultiReport

A multi-revision report: the same trace judged against several revisions, aligned per clause.

MultiRow

One clause’s row across every judged revision.

RevisionSummary

One revision’s aggregate result within a MultiReport.

Enums

MultiError

Error produced by a multi-revision run.

Functions

validate_revisions

Validates one trace against several protocol revisions in a single pass.