blob: d5f370d2720bc0125207c823e7053aea359d5b12 (
plain)
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// -*- 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>
// variant& operator=(T&&) noexcept(see below);
#include <variant>
#include <string>
#include <memory>
int main(int, char**)
{
std::variant<int, int> v1;
std::variant<long, long long> v2;
std::variant<char> v3;
v1 = 1; // expected-error {{no viable overloaded '='}}
v2 = 1; // expected-error {{no viable overloaded '='}}
v3 = 1; // expected-error {{no viable overloaded '='}}
std::variant<std::string, float> v4;
std::variant<std::string, double> v5;
std::variant<std::string, bool> v6;
v4 = 1; // expected-error {{no viable overloaded '='}}
v5 = 1; // expected-error {{no viable overloaded '='}}
v6 = 1; // expected-error {{no viable overloaded '='}}
std::variant<int, bool> v7;
std::variant<int, bool const> v8;
std::variant<int, bool volatile> v9;
v7 = "meow"; // expected-error {{no viable overloaded '='}}
v8 = "meow"; // expected-error {{no viable overloaded '='}}
v9 = "meow"; // expected-error {{no viable overloaded '='}}
std::variant<bool> v10;
std::variant<bool> v11;
std::variant<bool> v12;
v10 = std::true_type(); // expected-error {{no viable overloaded '='}}
v11 = std::unique_ptr<char>(); // expected-error {{no viable overloaded '='}}
v12 = nullptr; // expected-error {{no viable overloaded '='}}
}
|
