: Cannot implement with language itself. Need compiler support. Used C++ N STL
: Partially implemented with C++ N
: Fully implemented with C++ N
: Not yet implemented
| Features | Standard | Implemented in |
|---|---|---|
| Classes | ||
| is_execution_policy |  |
 |
| sequenced_policy parallel_policy parallel_unsequenced_policy unsequenced_policy |
 |
|
| Constants | ||
| seq par par_unseq unseq |
|
|