1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
//===----------------------------------------------------------------------===//
//
// 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>
// 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(int, char**)
{
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)>')}}
return 0;
}
|
