In case of anyone interested a reasonable engineered language that supports Closure Serialization (mentioned as "hard" in last slide), checkout: Gambit Scheme:

In case of anyone interested a reasonable engineered language that supports Closure Serialization (mentioned as "hard" in last slide), checkout: Gambit Scheme: A fast scheme implementation. http://github.com/gambit/gambit http://github.com/gambit/gambit Gerbil Scheme: Provides full module and syntactic tower on top of Gambit Scheme. https://github.com/vyzo/gerbil https://github.com/vyzo/gerbil