Don't trigger filter_map_identity with an iterator from an empty array
#292
| Job | Run time |
|---|---|
| 4m 28s | |
| 1s | |
| 4m 29s |
filter_map_identity with an iterator from an empty array
#292
| Job | Run time |
|---|---|
| 4m 28s | |
| 1s | |
| 4m 29s |