(defmacro memfn-varargs [name]
  `(fn [target# args#]
    (condp = (count args#)
      0 (. target# (~name))
      1 (. target# (~name (first args#)))
      2 (. target# (~name (first args#) (second args#)))
      3 (. target# (~name (first args#) (second args#) (nth args# 2)))
      4 (. target# (~name (first args#) (second args#) (nth args# 2) (nth args# 3)))
      5 (. target# (~name (first args#) (second args#) (nth args# 2) (nth args# 3) (nth args# 4)))
      (throw
       (java.lang.IllegalArgumentException.
        (str
         "too many arguments passed.  Limit 5, passed " (count args#)))))))