(seq
  ;; builtins
  (def if-eq builtins.cond.if_eq)
  (def match builtins.cond.match)
  (def if-has builtins.cond.if_has)
  
  (defmacro if [cond then]
    (if-eq (:false $cond) (seq $%&) (seq $then)))

  (defmacro unless [cond then]
    (if-eq (:false $cond) (seq $then) (seq $%&)))
)