flag: add support for parsing flag.FlagParser style flags in to_struct[T]
#32591
| Job | Run time |
|---|---|
| 2m 0s | |
| 25s | |
| 2m 25s |
flag.FlagParser style flags in to_struct[T]
#32591
| Job | Run time |
|---|---|
| 2m 0s | |
| 25s | |
| 2m 25s |