141     for( auto& item : arenas ) {  in submit_work()  local
142         tbb::task_arena& arena = *std::get<arena_pointer>(item).get();  in submit_work()
143         concurrency_type concurrency = std::get<arena_concurrency>(item);  in submit_work()
144         tbb::task_arena::priority priority_value = std::get<arena_priority>(item);  in submit_work()
145         auto& tg = std::get<associated_task_group>(item);  in submit_work()
171     for( auto& item : arenas ) {  in wait_work_completion()  local
172         tbb::task_arena& arena = *std::get<arena_pointer>(item).get();  in wait_work_completion()
173         auto& tg = std::get<associated_task_group>(item);  in wait_work_completion()
266         for( auto& item : arenas )  in test()  local
267             overall_tasks_num += std::get<arena_concurrency>(item) * repeats;  in test()
308                 for( auto& item : arenas ) {  in test()  local
309                     if( std::get<arena_priority>(item) == p ) {  in test()
310                         concurrency = std::get<arena_concurrency>(item);  in test()