give declval an implementation that compiles 2x faster (#2758)
#736
| Job | Run time |
|---|---|
| 7m 13s | |
| 14s | |
| 7m 27s |
declval an implementation that compiles 2x faster (#2758)
#736
| Job | Run time |
|---|---|
| 7m 13s | |
| 14s | |
| 7m 27s |