anchor.diff:        in
         drop' (len - 1);
   
  -
  -  # Return a list consisting of at most ‘count’ elements of ‘list’,
  -  # starting at index ‘start’.
  +  /**
  +   * Return a list consisting of at most ‘count’ elements of ‘list’,
  +   * starting at index ‘start’.
  +   */
     sublist = start: count: list:
       let
         len = length list;
  
positive.code:       in
        take' 0;
  
  
    # Remove the first (at most) N elements of a list.
    drop =
      if builtins ? genList then
        count: list: sublist count (length list) list
  
negative.code:       wrong = [ ];
      };
  
    zipListsWith =
      if builtins ? genList then
        f: fst: snd:
        genList (n:
          f (elemAt fst n) (elemAt snd n)) (min (length fst) (length snd)
        )
      else
        f: fst: snd:
        let
  