perf: cost-free conversion from paths to &str
#189
| Job | Run time |
|---|---|
| 52s | |
| 54s | |
| 20s | |
| 53s | |
| 53s | |
| 58s | |
| 52s | |
| 1m 5s | |
| 16s | |
| 1m 53s | |
| 2m 42s | |
| 56s | |
| 50s | |
| 46s | |
| 48s | |
| 18s | |
| 1m 46s | |
| 2m 17s | |
| 1m 14s | |
| 1m 4s | |
| 1m 30s | |
| 1m 40s | |
| 1m 37s | |
| 1m 27s | |
| 52s | |
| 4m 10s | |
| 5m 13s | |
| 38m 6s |