anchor.diff:  seq(_Config) ->
     Cons = range(1, 3),
     1 = clj_core:first(Cons),
  +  2 = clj_core:first(clj_core:rest(Cons)),
     2 = clj_core:first(clj_core:next(Cons)),
  +  3 = clj_core:first(clj_core:rest(clj_core:rest(Cons))),
     3 = clj_core:first(clj_core:next(clj_core:next(Cons))),
   
     Cons1     = range(1, 1),
  
positive.code: 
    {comments, ""}.
  
  -spec complete_coverage(config()) -> result().
  complete_coverage(_Config) ->
    ?NIL = 'clojerl.Cons':'_'(?NIL),
  
negative.code:         , seq/1
          , equiv/1
          , cons/1
          , reduce/1
          , complete_coverage/1
          ]).
  
  -clojure(true).
  
  -type config() :: list().
  -type result() :: {comments, string()}.
  