Finalized the implementation

input_parsing.cpp

@@ -45,5 +45,7 @@ ProgramOptions get_params(int argc, char *argv[])
 		}
 	}
 
-	return {max_range, num_entries, is_seed_specified ? std::optional<int>(seed): std::nullopt};
+	using return_type = std::optional<int>;
+
+	return {max_range, num_entries, is_seed_specified ? return_type(seed): std::nullopt};
 }