3 ms·

We only did this to fix the performance regression we observed after upgrading to GHC 8.6, but in hindsight I think it is cleaner anyway. With GHC 8.2 the list

by ruuda 8y ago

We only did this to fix the performance regression we observed after upgrading to GHC 8.6, but in hindsight I think it is cleaner anyway. With GHC 8.2 the list construction was eliminated, but the optimization turned out to be fragile.