As many others observe as well, one of the major reasons to write is to firm up ideas in one’s own head. Serializing an idea out into English words is still no guarantee one understands it deeply, but it is great progress over a very fuzzy idea that has never been fleshed out at all. I’ve known for a long time I wanted to sit down and write this out. But I had no idea how many principles I’ve either drawn out from my times with functional languages, or had sharpened by them forcing me o...
