Interesting; Factor has a neat library for inverting functions: http://docs.factorcode.org/content/article-inverse%2Cintro.html http://docs.factorcode.org/cont

Interesting; Factor has a neat library for inverting functions: http://docs.factorcode.org/content/article-inverse%2Cintro.html http://docs.factorcode.org/content/article-inverse%2Cintro.h...