Hotswapping Haskell October 17, 2017This is a guest post by Jon Coens. Jon worked on the Haxl project since the beginning in 2013, and nowadays he works on broadening Haskell use within Facebook. From developing code through deployment, Facebook needs to move fast. This is especially true for one of our anti-abuse systems that deploys hundreds of code changes every day. Releasing a large application (hundreds of Kloc) that many times a day presents plenty of intriguing challenges. Haskell’s...