I just want to briefly mention that I am only on the third chapter of the Poignant Guide, hardly what you'd call an expert, and I already understand completely

I just want to briefly mention that I am only on the third chapter of the Poignant Guide, hardly what you'd call an expert, and I already understand completely what is going on in the top comment's example. I know why. But maybe that's because it acts pretty much like Python with anonymous functions in this case. And no, I haven't read the original post yet. I was doing a skim-the-comments-before-reading run,