| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: libcpp-has-no-threads |
| // UNSUPPORTED: c++03 |
| |
| // <future> |
| |
| // class packaged_task<R(ArgTypes...)> |
| // template <class F, class Allocator> |
| // packaged_task(allocator_arg_t, const Allocator& a, 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> |
| |
| #include "test_allocator.h" |
| |
| struct A {}; |
| typedef std::packaged_task<A(int, char)> PT; |
| typedef volatile std::packaged_task<A(int, char)> VPT; |
| |
| int main(int, char**) |
| { |
| PT p { std::allocator_arg_t{}, test_allocator<A>{}, VPT {}}; // expected-error {{no matching constructor for initialization of 'PT' (aka 'packaged_task<A (int, char)>')}} |
| // expected-note-re@future:* 1 {{candidate template ignored: {{(disabled by 'enable_if')|(requirement '.*' was not satisfied)}}}} |
| |
| return 0; |
| } |
