Writing An Interpreter In 15 Minutes With Ruby

At the London Ruby User Group’s regular meetup yesterday, James Coglan gave a talk on how to implement a Scheme interpreter in 15 minutes. He recorded a video of the coding in progress beforehand so he could focus on the narration so unfortunately the video (available in a higher resolution here from Vimeo) is without sound. There is, however, a ZIP file of HTML slides available to help you follow along.

Naturally, building an arbitrary interpreter from scratch without having a design…

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