Yes I can read this, and adding line breaks would not make it easier.
In fact I think it would make it worse.
This has come up before, if you're interested:
* https://news.ycombinator.com/item?id=8476189
* https://news.ycombinator.com/item?id=8476702
It is also something I set out to learn how to do because I saw someone else do it: If someone produces smaller and faster code than me, then I should want to learn from it.
When working with others, I will often extemporise my code for their sake. I sometimes make mistakes when doing this, but sometimes making friends is more important than fast and correct programs.
