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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.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// UNSUPPORTED: c++98, c++03
// <future>
// template<class R, class... ArgTypes>
// class packaged_task<R(ArgTypes...)>
// {
// public:
// typedef R result_type; // extension
// This is a libc++ extension.
#include <future>
#include <type_traits>
struct A {};
int main()
{
static_assert((std::is_same<std::packaged_task<A(int, char)>::result_type, A>::value), "");
}
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