GH-50713: [C++] Replace return_type and enable_if_return with <type_traits> helpers
#4519
| Job | Run time |
|---|---|
| 3s | |
| 4s | |
| -1s | |
| -1s | |
| 5s |
return_type and enable_if_return with <type_traits> helpers
#4519
| Job | Run time |
|---|---|
| 3s | |
| 4s | |
| -1s | |
| -1s | |
| 5s |