wallet2_api: use std::optional instead of handmade optional #751
| Job | Run time |
|---|---|
| 28m 7s | |
| 22m 7s | |
| 21m 47s | |
| 24m 25s | |
| 20m 58s | |
| 25m 9s | |
| 21m 0s | |
| 29m 13s | |
| 28m 53s | |
| 20m 53s | |
| 19m 4s | |
| 4h 21m 36s |
| Job | Run time |
|---|---|
| 28m 7s | |
| 22m 7s | |
| 21m 47s | |
| 24m 25s | |
| 20m 58s | |
| 25m 9s | |
| 21m 0s | |
| 29m 13s | |
| 28m 53s | |
| 20m 53s | |
| 19m 4s | |
| 4h 21m 36s |