Module query 

Questions the graph answers: what governs a path, what a change would reach, where a supersede chain ends.

Structs

Governing

A document that governs a path, and how specific its claim is (longer = narrower).

Functions

chain

Follows supersedes edges backwards from idx to the document that replaced it last.

governing

Documents whose rel.governs covers path, or, without governs, whose owner contains it. Narrowest claims first.

impact

Every document that reaches idx through incoming edges, nearest first.

supersede_cycle

A supersedes cycle through idx, as the documents in order, or None. In a cycle every member is superseded, so nothing in it is current.