Example: http://tryhaskell.org/ http://tryhaskell.org/ source: https://github.com/chrisdone/tryhaskell https://github.com/chrisdone/tryhaskell For those tha

Example: http://tryhaskell.org/ http://tryhaskell.org/ source: https://github.com/chrisdone/tryhaskell https://github.com/chrisdone/tryhaskell For those that just want to see the sandboxing part, I think most of the magic is in mueval but I could be wrong: https://github.com/gwern/mueval https://github.com/gwern/mueval