Keeping Compilation Fast

You’re a Haskell programmer, which means you complain about compilation times. We typically spend a lot of time waiting for GHC to compile code. To some extent, this is unavoidable - GHC does a tremendous amount of work for us, and we only ever ask it to do more. At some point, we shouldn’t be terribly surprised that “doing more work” ends up meaning “taking more time.” However, there are some thi