Added functionality to check if a RTDE data package value is of a given type

Author: t-schnell

ur_robot_driver/include/ur_robot_driver/rtde/data_package.h

@@ -102,6 +102,19 @@ class DataPackage : public RTDEPackage
    */
   size_t serializePackage(uint8_t* buffer);
 
+  /*!
+   * \brief Check if a specific data field is of a given type.
+   *
+   * \param name The string identifier for the data field as used in the documentation.
+   *
+   * \returns True, if the data field is of the given type, false otherwise.
+   */
+  template <typename T>
+  static bool isType(const std::string& name)
+  {
+    return g_type_list[name].which() == _rtde_type_variant(T()).which();
+  }
+
   /*!
    * \brief Get a data field from the DataPackage.
    *