...

cxx/mcc_mount_telemetry.h

@@ -332,4 +332,20 @@ protected:
 };
 
 
+namespace traits
+{
+
+template <typename T>
+concept mcc_mount_default_telemetry_c = requires {
+    mcc_astrom_engine_c<typename T::astrom_engine_t>;
+    mcc_mount_pec_c<typename T::pec_t>;
+    mcc_mount_hardware_c<typename T::hardware_t>;
+    mcc_mount_telemetry_data_c<typename T::mount_telemetry_data_t>;
+
+    requires std::derived_from<T, mcc::MccMountTelemetry<typename T::astrom_engine_t, typename T::pec_t,
+                                                         typename T::hardware_t, typename T::mount_telemetry_data_t>>;
+};
+
+}  // namespace traits
+
 }  // namespace mcc