This is my Clojure poem published in the code{poems} book produced by this project. And yes, I have an individually numbered copy of the book!

;; Bits of the universe

nil
pop!
(time ())
empty?
atom
atom atom
atom atom atom atom atom
atom atom atom atom atom atom atom atom atom
(binding [atom [atom [atom [atom [atom]]]]])
make-hierarchy
repeat
repeatedly iterate sequence
constantly interleave
merge

replicate
parents
descendants
cycle
7000000000

true? false?
find identity
find name
symbol? number?
rational? odd?
resolve
future?
future-done?
future-cancelled?
reversible?
nil?