diff --git a/scheme/cyclone/primitives.sld b/scheme/cyclone/primitives.sld
index be525532..30801221 100644
--- a/scheme/cyclone/primitives.sld
+++ b/scheme/cyclone/primitives.sld
@@ -7,7 +7,9 @@
 ;;;; This module contains information about Cyclone's scheme primitives.
 ;;;;
 (define-library (scheme cyclone primitives)
-  (import (scheme base))
+  (import (scheme base)
+;          (srfii 69)
+  )
   (export
     prim?
     *primitives*
@@ -152,6 +154,19 @@
          Cyc-write
          Cyc-display))
 
+;    ;; Keep track of how many args are required for each primitive.
+;    ;; For each primitive, define:
+;    ;;  - number of args
+;    ;;  - min number of required args (for a func that takes optional args)
+;    ;; If the number is not applicable then the primitive is not listed or the value is #f
+;    (define *primitives-num-args*
+;      '()
+;    )
+;
+;    (define (prim:num-args prim) 'TODO)
+;    (define (prim:min-num-args prim) 'TODO)
+      
+
 ;; TODO: dont' put this here, just the list
 ;    ;; Constant Folding
 ;    ;; Is a primitive being applied in such a way that it can be