I feel like I've seen this one before. Thanks for bubbling it back up in my brain. I think `map`, `filter`, and `reduce` (or `accumulate`) are automatic in pip

I feel like I've seen this one before. Thanks for bubbling it back up in my brain. I think `map`, `filter`, and `reduce` (or `accumulate`) are automatic in pipelines; and have usually been enough for me. Still, it has a bunch of stuff one can pinch in a hurry. Starred!