+:noname ( args -- fixnum )
+ 2dup 2 ensure-arg-count
+
+ 2dup car fixnum-type ensure-arg-type
+ 2swap cdr car fixnum-type ensure-arg-type
+
+ drop swap drop
+
+ / fixnum-type
+; make-primitive quotient
+
+:noname ( args -- fixnum )
+ 2dup 2 ensure-arg-count
+
+ 2dup car fixnum-type ensure-arg-type
+ 2swap cdr car fixnum-type ensure-arg-type
+
+ drop swap drop
+
+ mod fixnum-type
+; make-primitive remainder
+
+( = Pairs and Lists = )
+
+:noname ( args -- pair )
+ 2dup 2 ensure-arg-count
+
+ 2dup car 2swap cdr car
+ cons
+; make-primitive cons
+
+:noname ( args -- pair )
+ 2dup 1 ensure-arg-count
+ car pair-type ensure-arg-type
+
+ car
+; make-primitive car
+
+:noname ( args -- pair )
+ 2dup 1 ensure-arg-count
+ car pair-type ensure-arg-type
+
+ cdr
+; make-primitive cdr
+
+:noname ( args -- pair )
+ 2dup 2 ensure-arg-count
+ 2dup cdr car
+ 2swap car pair-type ensure-arg-type
+
+ set-car!
+
+ ok-symbol
+; make-primitive set-car!
+
+:noname ( args -- pair )
+ 2dup 2 ensure-arg-count
+ 2dup cdr car
+ 2swap car pair-type ensure-arg-type
+
+ set-cdr!
+
+ ok-symbol
+; make-primitive set-cdr!