Reorganize learning buckets from a map representation to a list-of-sets
representation.
Returns
a list of disjoint sets whose union is the set of cards in
bucketMap, and where list[i] is the set of cards that
bucketMap maps to i, for all i in [0, list.length).
Reorganize learning buckets from a map representation to a list-of-sets representation.
Returns
a list of disjoint sets whose union is the set of cards in bucketMap, and where list[i] is the set of cards that bucketMap maps to i, for all i in [0, list.length).