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 // <future> 11 12 // class packaged_task<R(ArgTypes...)> 13 14 // packaged_task(); 15 16 #include <future> 17 #include <cassert> 18 19 struct A {}; 20 21 int main() 22 { 23 std::packaged_task<A(int, char)> p; 24 assert(!p.valid()); 25 } 26
