the key should hold: Monoid.
the key should hold: Monoid.plus(get(kv._1).get, Some(kv._2)) after this.
The monoid equivalent to the merge operation of this store
The monoid equivalent to the merge operation of this store
merge a set of keys.
merge a set of keys.
Caveat Emptor! The monoid on the resulting
ConvertedMergeableStore
will be the bijected monoid from Monoid[V1] => Monoid[V2]. This will not necessarily result in the behavior you'd expect.