rust-discovery: starting core implementation...
rust-discovery: starting core implementation
Once exposed to the Python side, this core object will avoid
costly roundtrips with potentially big sets of revisions.
This changeset implements the core logic of the object only, i.e.,
manipulation of the missing, common and undefined set-like revision
attributes.
Differential Revision:
https://phab.mercurial-scm.org/D6231
