| 75 | // Helper for discarding a queue of promises. |
| 76 | template <typename T> |
| 77 | void discard(queue<T*>* queue) |
| 78 | { |
| 79 | while (!queue->empty()) { |
| 80 | T* t = queue->front(); |
| 81 | queue->pop(); |
| 82 | t->promise.discard(); |
| 83 | delete t; |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | |
| 88 | GroupProcess::GroupProcess( |