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make destructor virtual

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This commit is contained in:
Patrick Brosi 2018-07-13 18:04:27 +02:00
parent 3e362457fc
commit 4674f0f116
1 changed files with 1 additions and 1 deletions
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src/util/graph/Graph.h
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@ -19,7 +19,7 @@ namespace graph {
template <typename N, typename E> template <typename N, typename E>
class Graph { class Graph {
public: public:
~Graph(); virtual ~Graph();
virtual Node<N, E>* addNd() = 0; virtual Node<N, E>* addNd() = 0;
virtual Node<N, E>* addNd(const N& pl) = 0; virtual Node<N, E>* addNd(const N& pl) = 0;
Edge<N, E>* addEdg(Node<N, E>* from, Node<N, E>* to); Edge<N, E>* addEdg(Node<N, E>* from, Node<N, E>* to);