1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // UNSUPPORTED: libcpp-has-no-threads 11 // UNSUPPORTED: c++98, c++03 12 13 // <future> 14 15 // class packaged_task<R(ArgTypes...)> 16 17 // packaged_task(); 18 19 #include <future> 20 #include <cassert> 21 22 struct A {}; 23 24 int main() 25 { 26 std::packaged_task<A(int, char)> p; 27 assert(!p.valid()); 28 } 29
