anchor.diff:  	?assertEqual(1, transform(1)),
   	?assertEqual(1.0, transform(1.0)),
   	?assertEqual(<<"test">>, transform("test")),
  -	?assertEqual([{a,b}, {c,d}], transform([{a,b}, {c,d}])).
  +	?assertEqual([{a,b}, {c,d}], transform([{a,b}, {c,d}])),
  +	?assertEqual([], transform([])).
   -endif.
  
positive.code: 	end;
  transform(Value) ->
  	Value.
  is_tuple_list([H|T]) ->
  	is_tuple(H). 
  
  -include_lib("eunit/include/eunit.hrl").
  
negative.code: 	false;	
  transform(Value) when is_atom(Value) ->
  	erlang:atom_to_binary(Value, utf8);
  
  transform([]) ->
  	[];		
  transform(Value) when is_list(Value) ->
  	case is_tuple_list(Value) of 
  		true -> Value;
  