anchor.diff:  	?assertEqual( <<"foobar">>, json:decode(<<"   \"foobar\"   ">>)),
   	?assertEqual( <<"    foobar    ">>, json:decode(<<"\"    foobar    \"   ">>)).
   
  -
   -endif.
  
positive.code: 	Arr = join(Nest),	
  	<<$[, Arr/binary, $]>>.
  	
  
  %% decode value
  decode_value(<<>>) -> 
  
negative.code: to_number([]) ->
  	false;	
  to_number(Acc) ->
  	try list_to_float(Acc)
  	catch error:badarg -> list_to_integer(Acc) end.
  
  