33         auto tup = new Target(std::forward<Fn>(fn), std::forward<Args>(args)...);  in thread()  local
34         *is_joinable = ffrt::submit_h([tup]() {  in thread()
35             execute(*tup, std::make_index_sequence<std::tuple_size_v<Target>>());  in thread()
36             delete tup;  in thread()
46         auto tup = new Target(std::forward<Fn>(fn), std::forward<Args>(args)...);  in thread()  local
47         *is_joinable = ffrt::submit_h([tup]() {  in thread()
48             execute(*tup, std::make_index_sequence<std::tuple_size_v<Target>>());  in thread()
49             delete tup;  in thread()
61         auto tup = new Target (std::forward<Fn>(fn), std::forward<Args>(args)...);
62         *is_joinable = ffrt::submit_h([tup]() {
63             execute(*tup, std::make_index_sequence<std::tuple_size_v<Target>>());
64             delete tup;
112     static inline void execute(Target& tup,  in execute()  argument
115         std::invoke(std::move(std::get<Idxs>(tup))...);  in execute()