Minimize direct use of the _forest instance variable of DisjointMessageSets, in preparation of making it a (sparse) map instead of a (dense) vector
Minimize direct use of the _forest instance variable of DisjointMessageSets, in preparation of making it a (sparse) map instead of a (dense) vector

pereckerdal/eminet,pereckerdal/eminet,pereckerdal/eminet,pereckerdal/eminet