anchor.diff:  matched_out_size_1(Binary) ->
       << <<X>> || <<S, X:S>> <= Binary>>.
   
  -no_generator(Config) ->
  +no_generator(_Config) ->
       [<<"abc">>] = [<<(id(<<"abc">>)) || true >>],
       {<<>>} = {<<(id(<<"abc">>)) || false >>},
   
  
positive.code: 	   end,
      <<>> = Fun5([], 1, 1, 1),
      <<7:3,8:40,9:56>> = Fun5([7], 3, 5, 7),
  
      Fun6 = fun(List, Size) ->
  		   cs(<< <<E:8,(E+1):Size>> || E <- List >>)
  
negative.code: 			      X <- "ABCDEFG",
  			      not is_less_than(X, $E),
  			      X rem 2 == 1>>),
      <<1,3>> = cs_default(<< <<(length(L))>> ||
                               L <- [[],[a],[],[x,y,z]],
                               case L of
                                   [] -> false;
                                   [_|_] -> true
                               end >>),
  
      %% Filtering by a non-matching pattern.
      <<"abd">> = cs_default(<< <<X:8>> ||
  