Use std::identity
#301
| Job | Run time |
|---|---|
| 1m 32s | |
| 1m 25s | |
| 2m 27s | |
| 2m 2s | |
| 2m 27s | |
| 1m 48s | |
| 1m 40s | |
| 1m 39s | |
| 6m 28s | |
| 1m 32s | |
| 1m 30s | |
| 1m 31s | |
| 1m 41s | |
| 1m 32s | |
| 9m 7s | |
| 1m 8s | |
| 4m 19s | |
| 2m 31s | |
| 1m 35s | |
| 6m 31s | |
| 1m 37s | |
| 4m 13s | |
| 2m 58s | |
| 5m 7s | |
| 3m 1s | |
| 1h 11m 21s |