+class Datatype_contents {
+ public:
+ int combiner_;
+ std::vector<int> integers_;
+ std::vector<MPI_Aint> addresses_;
+ std::vector<MPI_Datatype> datatypes_;
+ Datatype_contents(int combiner,
+ int number_of_integers, const int* integers,
+ int number_of_addresses, const MPI_Aint* addresses,
+ int number_of_datatypes, const MPI_Datatype* datatypes);
+};