A live recompiler https://github.com/lukexi/halive
This package is not currently in any snapshots. If you're interested in using it, we recommend adding it to Stackage Nightly. Doing so will make builds more reliable, and allow stackage.org to host generated Haddocks.
Live recompiler for Haskell
halive path/to/myfile.hs [optionally any/extra include/dirs ..] -- [args to app]