bugfix

Author: tonibohnlein

include/osp/dag_divider/isomorphism_divider/MerkleHashComputer.hpp

@@ -32,7 +32,7 @@ limitations under the License.
 namespace osp {
 
 template<typename Graph_t, typename node_hash_func_t = uniform_node_hash_func<vertex_idx_t<Graph_t>>, bool forward = true>
-class MerkleHashComputer : public HashComputer<vertex_idx_t<Graph_t>> {
+class MerkleHashComputer : public HashComputer<std::size_t> {
 
     static_assert(is_directed_graph_v<Graph_t>, "Graph_t must satisfy the directed_graph concept");
     static_assert(std::is_invocable_r<std::size_t, node_hash_func_t, vertex_idx_t<Graph_t>>::value, "node_hash_func_t must be invocable with one vertex_idx_t<Graph_t> argument and return std::size_t.");