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: no-threads
10 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
11 
12 // checks that CTAD for std::packaged_task works properly with static operator() overloads
13 
14 #include <future>
15 #include <type_traits>
16 
17 struct Except {
operator ()Except18   static int operator()(int*, long*) { return 0; }
19 };
20 static_assert(std::is_same_v<decltype(std::packaged_task{Except{}}), std::packaged_task<int(int*, long*)>>);
21 
22 struct Noexcept {
operator ()Noexcept23   static int operator()(int*, long*) noexcept { return 0; }
24 };
25 static_assert(std::is_same_v<decltype(std::packaged_task{Noexcept{}}), std::packaged_task<int(int*, long*)>>);
26