[takikawa]

> Who's using this in production?

Here are two examples that have been presented at CUFP. The Starfire Optical Range[1, 2] uses it in production, I think as part of the control software for their telescopes. Naughty Dog, a major video game developer, uses it for scripting their games[3, 4].

[1]: http://en.wikipedia.org/wiki/Starfire_Optical_Range [2]: http://cufp.org/archive/2006/abstracts.html#RichardCleis [3]: http://cufp.org/videos/functional-mzscheme-dsls-game-develop... [4]: http://www.slideshare.net/naughty_dog/statebased-scripting-i...