I have only dabbled slightly with Factor, far from enough to have an informed opinion of it. But I must commend the FFI, http://docs.factorcode.org/content/arti

I have only dabbled slightly with Factor, far from enough to have an informed opinion of it. But I must commend the FFI, http://docs.factorcode.org/content/article-alien.html http://docs.factorcode.org/content/article-alien.html, it's impressive in how concise and friction-free it is to define C types and to use them. It definitely has a place in my FFI Hall of Fame.