I wrote a programming language where you code in Polish. Here are 7 things it taught me about Ruby.

I write Ruby for a living, and about two years ago it started bothering me that I had no real idea what happens between typing x = 5 and the machine doing something about it. So I wrote a toy interpreter over a weekend. Got it evaluating arithmetic. Felt clever. Then instead of moving on I kept adding things to it, and eighteen months later it's...