| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| // class packaged_task<R(ArgTypes...)> |
| // template <class F> |
| // packaged_task(F&& f); |
| // These constructors shall not participate in overload resolution if |
| // decay<F>::type is the same type as std::packaged_task<R(ArgTypes...)>. |
| |
| #include <future> |
| #include <cassert> |
| |
| struct A {}; |
| typedef std::packaged_task<A(int, char)> PT; |
| typedef volatile std::packaged_task<A(int, char)> VPT; |
| |
| |
| int main() |
| { |
| VPT init{}; |
| auto const& c_init = init; |
| PT p1{init}; // expected-error {{no matching constructor}} |
| PT p2{c_init}; // expected-error {{no matching constructor}} |
| PT p3{std::move(init)}; // expected-error {{no matching constructor for initialization of 'PT' (aka 'packaged_task<A (int, char)>')}} |
| } |