Interesting, I took a deep look at his code today too over lunch. I like seeing different people's approaches to this problem. My own that I wrote a while back

Interesting, I took a deep look at his code today too over lunch. I like seeing different people's approaches to this problem. My own that I wrote a while back is called when-then, https://github.com/geuis/when-then https://github.com/geuis/when-then