view tests/test-revlog-raw.py.out @ 42178:10b465d61556

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

local test passed
addgroupcopy test passed
clone test passed
lowlevelcopy test passed
slicing test passed
issnapshot test passed
findsnapshot test passed