anchor.diff:  ;; setf expanders
   ;; rotatef
   ;; shiftf
  +;; decode-float
  +;; float-precision
  +;; integer-decode-float
   
   
   ;; ## Crazy Town
  +;; every
  +;; notany
  +;; notevery
  +;; some
  +;; constantly
   ;; copy-seq
   ;; make-sequence
   ;; subseq
  
positive.code: ;; merge
  ;; fill
  
  
  ;;------------------------------------------------------------
  
  
negative.code: ;; ceiling (check api)
  
  ;; ## Harder
  ;; constantp (issue is that running constantp on a non-const form could have compile time side-effects)
  ;; coerce
  ;; random
  ;; make-random-state (could be a seed for some rand func. however cl's random hard on gpu)
  