cxx/test/thread/futures/futures.tas/futures.task.members/ctor_default.pass.cpp
Howard Hinnant 7de47902d0 Implemented N3194
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120458 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-30 20:23:32 +00:00

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//===----------------------------------------------------------------------===//
//
// 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>
// class packaged_task<R(ArgTypes...)>
// packaged_task();
#include <future>
#include <cassert>
struct A {};
int main()
{
std::packaged_task<A(int, char)> p;
assert(!p.valid());
}