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fix(emqx_mod_sup): Dialyzer warning 

All the callers of start_child API are discarding the return value.
This commit is contained in:
Zaiming Shi 2020-11-06 14:06:24 +01:00
parent f3d973689b
commit 5793ef6640
1 changed files with 13 additions and 2 deletions
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15
src/emqx_mod_sup.erl
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@ -40,11 +40,13 @@
start_link() -> start_link() ->
supervisor:start_link({local, ?MODULE}, ?MODULE, []). supervisor:start_link({local, ?MODULE}, ?MODULE, []).
-spec start_child(supervisor:child_spec()) -> ok.
start_child(ChildSpec) when is_map(ChildSpec) -> start_child(ChildSpec) when is_map(ChildSpec) ->
supervisor:start_child(?MODULE, ChildSpec). assert_started(supervisor:start_child(?MODULE, ChildSpec)).
-spec start_child(atom(), atom()) -> ok.
start_child(Mod, Type) when is_atom(Mod) andalso is_atom(Type) -> start_child(Mod, Type) when is_atom(Mod) andalso is_atom(Type) ->
supervisor:start_child(?MODULE, ?CHILD(Mod, Type)). assert_started(supervisor:start_child(?MODULE, ?CHILD(Mod, Type))).
-spec(stop_child(any()) -> ok | {error, term()}). -spec(stop_child(any()) -> ok | {error, term()}).
stop_child(ChildId) -> stop_child(ChildId) ->
@ -61,3 +63,12 @@ init([]) ->
ok = emqx_tables:new(emqx_modules, [set, public, {write_concurrency, true}]), ok = emqx_tables:new(emqx_modules, [set, public, {write_concurrency, true}]),
{ok, {{one_for_one, 10, 100}, []}}. {ok, {{one_for_one, 10, 100}, []}}.
%%--------------------------------------------------------------------
%% Internal functions
%%--------------------------------------------------------------------
assert_started({ok, _Pid}) -> ok;
assert_started({ok, _Pid, _Info}) -> ok;
assert_started({error, {already_tarted, _Pid}}) -> ok;
assert_started({error, Reason}) -> erlang:error(Reason).