Update subscriptions/1 function spec

src/emqttd.erl

@@ -122,7 +122,7 @@ topics() -> emqttd_router:topics().
 subscribers(Topic) ->
     emqttd_server:subscribers(iolist_to_binary(Topic)).
 
--spec(subscriptions(subscriber()) -> [{binary(), suboption()}]).
+-spec(subscriptions(subscriber()) -> [{binary(), binary(), list(suboption())}]).
 subscriptions(Subscriber) ->
     emqttd_server:subscriptions(Subscriber).
 

src/emqttd_server.erl

@@ -130,7 +130,7 @@ async_unsubscribe(Topic, Subscriber) when is_binary(Topic) ->
 setqos(Topic, Subscriber, Qos) when is_binary(Topic) ->
     call(pick(Subscriber), {setqos, Topic, Subscriber, Qos}).
 
--spec(subscriptions(emqttd:subscriber()) -> [{binary(), list(emqttd:suboption())}]).
+-spec(subscriptions(emqttd:subscriber()) -> [{binary(), binary(), list(emqttd:suboption())}]).
 subscriptions(Subscriber) ->
     lists:map(fun({_, {_Share, Topic}}) ->
                 subscription(Topic, Subscriber);