pub fn update_state(
params: &RepoParams,
current: &RepoState,
delta: &RepoState,
) -> Result<RepoState, UpdateError>Expand description
Apply a delta (a partial update produced by a writer) to the current
state. Used on the optimistic path. Performs the merge_state CRDT
reconciliation plus the additional fast-forward / sequence-number
guards described in the issue spec.