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 12 // <future> 13 14 // class packaged_task<R(ArgTypes...)> 15 16 // packaged_task(); 17 18 #include <future> 19 #include <cassert> 20 21 struct A {}; 22 23 int main() 24 { 25 std::packaged_task<A(int, char)> p; 26 assert(!p.valid()); 27 } 28
