//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <future> // template<class R, class... ArgTypes> // class packaged_task<R(ArgTypes...)> // { // public: // typedef R result_type; #include <future> #include <type_traits> struct A {}; int main() { static_assert((std::is_same<std::packaged_task<A(int, char)>::result_type, A>::value), ""); }