https://chrispenner.ca/posts/expressiveness-spectrum https://chrispenner.ca/posts/expressiveness-spectrum has some good examples showing why one might want sele

https://chrispenner.ca/posts/expressiveness-spectrum https://chrispenner.ca/posts/expressiveness-spectrum has some good examples showing why one might want selectives (then continues to explore arrows https://chrispenner.ca/posts/arrow-effects https://chrispenner.ca/posts/arrow-effects )