Share result mapping code in windows-bindgen and reduce transmute count
#398
| Job | Run time |
|---|---|
| 1m 42s | |
| 44s | |
| 2m 26s |
windows-bindgen and reduce transmute count
#398
| Job | Run time |
|---|---|
| 1m 42s | |
| 44s | |
| 2m 26s |