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Miscellaneous DAG operations
§Terminology
- By relative heads of a collection of revision numbers (
Revision), we mean those revisions that have no children among the collection. - Similarly relative roots of a collection of
Revision, we mean those whose parents, if any, don’t belong to the collection.
Functions§
- heads
- Relative heads out of some revisions, passed as an iterator.
- retain_
heads - Retain in
revsonly its relative heads.