delayed-args.clj

(defn =?
  [a b]
  (= a b))

(defn channel=?
  [a c]
  (thread (=? a (<!! c))))

(def partial=? (partial =? 10))

(let [c (chan)
      chan-result (channel=? 10 c)]
  
  ; do some stuff...
  
  (let [_ (thread (>!! c 10)) ; give channel=? it's last arg
        partial-result (partial=? 10)] ; give partial=? it's last arg
    {:channel (<!! chan-result)
     :partial partial-result}))

; => {:channel true :partial true}