pub fn migrate_state(
active_states: Vec<(Vec<u8>, OperationId)>,
inactive_states: Vec<(Vec<u8>, OperationId)>,
migrate: fn(_: OperationId, _: &mut Cursor<&[u8]>) -> Result<Option<(Vec<u8>, OperationId)>>,
) -> Result<Option<(Vec<(Vec<u8>, OperationId)>, Vec<(Vec<u8>, OperationId)>)>>Expand description
Migrates a particular state by looping over all active and inactive states.
If the migrate closure returns None, this state was not migrated and
should be added to the new state machine vectors.