1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
10
11// <memory>
12
13// [out.ptr], function template out_ptr
14// template<class Pointer = void, class Smart, class... Args>
15// auto out_ptr(Smart& s, Args&&... args); // since c++23
16
17#include <memory>
18#include <tuple>
19
20#include "../types.h"
21
22int main(int, char**) {
23 // `std::out_ptr<>` requires `std::shared_ptr<>` with a deleter.
24 {
25 std::shared_ptr<int> sPtr;
26
27 // expected-error-re@*:* {{static assertion failed due to requirement {{.*}}Using std::shared_ptr<> without a deleter in std::out_ptr is not supported.}}
28 std::ignore = std::out_ptr(sPtr);
29 // expected-error-re@*:* {{no matching conversion for functional-style cast from 'std::shared_ptr<int>' to 'std::out_ptr_t<{{(std::)?}}shared_ptr<int>, _Ptr>'{{( \(aka 'out_ptr_t<std::shared_ptr<int>, int *>'\))?}}}}
30 std::ignore = std::out_ptr<int*>(sPtr);
31 }
32
33 return 0;
34}
35

source code of libcxx/test/std/utilities/smartptr/adapt/out_ptr/out_ptr.verify.cpp