The author of the blog, Martin Sustrik, is the original author of ZeroMQ. His late colleague in the project, Pieter Hintjens, extolled the virtue of effectively

The author of the blog, Martin Sustrik, is the original author of ZeroMQ. His late colleague in the project, Pieter Hintjens, extolled the virtue of effectively macro based code generation, especially using a "macro language" GSL: https://github.com/imatix/gsl https://github.com/imatix/gsl Which has some previous discussion about it: https://news.ycombinator.com/item?id=11558007 https://news.ycombinator.com/item?id=11558007 I would imagine Martin has gone through the path of discussing macros long time ago, and for some reason or other does not refer to them here.