Non working step towards arguments function pointer forwarding

src/communication/communicator.hpp

@@ -92,10 +92,11 @@ public:
     /// events in each queue are all events that must be delivered to targets in that cell
     /// group as a result of the global spike exchange.
     std::vector<event_queue> exchange(const std::vector<spike_type>& local_spikes,
-        std::function<void ()> export_function) //const std::vector<spike_type>&
+        std::function<void (std::vector<spike_type>)> export_function) //const std::vector<spike_type>&
     {
         // global all-to-all to gather a local copy of the global spike list on each node.
         
+
         bool file_per_rank = true;
         if (file_per_rank) {
             export_function(); //local_spikes

src/model.hpp

@@ -138,7 +138,8 @@ public:
                 PE("stepping", "exchange");
                 auto local_spikes = previous_spikes().gather();
                 future_events() = communicator_.exchange(local_spikes,
-                    [&] { exporter_->add_and_export(); });
+//                    [&] { exporter_->add_and_export(std::vector<spike_type> spikes); });
+                [&] { exporter_->add_and_export(std::vector<spike_type> spikes); });
                 PL(2);
             };