+ /**
+ * @brief Retrieves the transition that we should consider for execution by
+ * this actor from the State instance with respect to which this ActorState object
+ * is considered
+ */
+ std::shared_ptr<Transition> get_transition() const
+ {
+ // The rationale for this selection is as follows:
+ //
+ // 1. For transitions with only one possibility of execution,
+ // we always wish to select action `0` even if we've
+ // marked the transition already as considered (which
+ // we'll do if we explore a trace following that transition).
+ //
+ // 2. For transitions that can be considered multiple
+ // times, we want to be sure to select the most up-to-date
+ // action. In general, this means selecting that which is
+ // now being considered at this state. If, however, we've
+ // executed the
+ //
+ // The formula satisfies both of the above conditions:
+ //
+ // > std::clamp(times_considered_, 0u, max_consider_ - 1)
+ return get_transition(std::clamp(times_considered_, 0u, max_consider_ - 1));
+ }