small refactoring

Author: Marc Geilen

include/maxplus/base/fsm/fsm.h

@@ -329,7 +329,11 @@ template <typename StateLabelType, typename EdgeLabelType> class Edge : public A
         Abstract::Edge(src, dst), label(lbl) {
     }
 
+    [[nodiscard]] const EdgeLabelType &getLabel() const { return this->label; }
+
+private:
     EdgeLabelType label;
+
 };
 
 // template <typename StateLabelType, typename EdgeLabelType>

include/maxplus/game/mpgameautomaton.h

@@ -69,9 +69,9 @@ class MaxPlusGameAutomatonWithRewards : public MaxPlusAutomatonWithRewards,
 
     void addV1(MPARState *s) { this->setV1.insert(s); }
 
-    MPTime getWeight1(const MPAREdge *e) const override { return MPTime(e->label.reward); }
+    MPTime getWeight1(const MPAREdge *e) const override { return MPTime(e->getLabel().reward); }
 
-    MPTime getWeight2(const MPAREdge *e) const override { return e->label.delay; }
+    MPTime getWeight2(const MPAREdge *e) const override { return e->getLabel().delay; }
 
 private:
     std::set<MPARState *> setV0;