Add constructors of Indices, use constructors to implement convert
#23
| Job | Run time |
|---|---|
| 5m 30s | |
| 1m 18s | |
| 1m 34s | |
| 1m 53s | |
| 3m 57s | |
| 5m 4s | |
| 1m 16s | |
| 1m 35s | |
| 2m 53s | |
| 6m 46s | |
| 7m 54s | |
| 1m 9s | |
| 1m 11s | |
| 4m 31s | |
| 7m 23s | |
| 8m 32s | |
| 1m 49s | |
| 1m 49s | |
| 1m 17s | |
| 1m 58s | |
| 2m 3s | |
| 1m 2s | |
| 2m 8s | |
| 1m 50s | |
| 1m 55s | |
| 2m 44s | |
| 1m 19s | |
| 1m 29s | |
| 1m 52s | |
| 2m 8s | |
| 2m 48s | |
| 1h 30m 37s |