I keep feeling like I'm following in the steps of giants with lpeg. I loved my introduction to it when I was big on Lua. Some of those operators take function

I keep feeling like I'm following in the steps of giants with lpeg. I loved my introduction to it when I was big on Lua. Some of those operators take functions with such strange signatures - until you try to do something clever later, and your realize you're being passed exactly the arguments you need to make it work.