refactor: Enhance docs, remove main, add tests in `CountSinglyLinke…
#10482
| Job | Run time |
|---|---|
| 2m 4s | |
| 2m 4s |
main, add tests in `CountSinglyLinke…
#10482
| Job | Run time |
|---|---|
| 2m 4s | |
| 2m 4s |