| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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: c++98, c++03, c++11, c++14 |
| |
| // <variant> |
| |
| // template <class ...Types> class variant; |
| |
| // template <class T> constexpr variant(T&&) noexcept(see below); |
| |
| #include <variant> |
| #include <string> |
| #include <memory> |
| |
| int main(int, char**) |
| { |
| std::variant<int, int> v1 = 1; // expected-error {{no viable conversion}} |
| std::variant<long, long long> v2 = 1; // expected-error {{no viable conversion}} |
| std::variant<char> v3 = 1; // expected-error {{no viable conversion}} |
| |
| std::variant<std::string, float> v4 = 1; // expected-error {{no viable conversion}} |
| std::variant<std::string, double> v5 = 1; // expected-error {{no viable conversion}} |
| std::variant<std::string, bool> v6 = 1; // expected-error {{no viable conversion}} |
| |
| std::variant<int, bool> v7 = "meow"; // expected-error {{no viable conversion}} |
| std::variant<int, bool const> v8 = "meow"; // expected-error {{no viable conversion}} |
| std::variant<int, bool volatile> v9 = "meow"; // expected-error {{no viable conversion}} |
| |
| std::variant<bool> v10 = std::true_type(); // expected-error {{no viable conversion}} |
| std::variant<bool> v11 = std::unique_ptr<char>(); // expected-error {{no viable conversion}} |
| std::variant<bool> v12 = nullptr; // expected-error {{no viable conversion}} |
| } |