Having no experience with clojure, this reminded me of pipeable RxJS syntax, as well as more generally the sometimes seen use of _ to denote an unused “threaded

Having no experience with clojure, this reminded me of pipeable RxJS syntax, as well as more generally the sometimes seen use of _ to denote an unused “threaded value” in more functional styles of js (although _ commonly comes as the final value in js in combination with unary functions, or will sometimes be named but unused to assist in establishing context for readability).