copy.fail.cpp
1.12 KB
// -*- 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>
// LWG issue 3024
#include <variant>
#include <type_traits>
struct NotCopyConstructible
{
NotCopyConstructible() = default;
NotCopyConstructible(NotCopyConstructible const&) = delete;
};
int main(int, char**)
{
static_assert(!std::is_copy_constructible_v<NotCopyConstructible>);
std::variant<NotCopyConstructible> v;
std::variant<NotCopyConstructible> v1;
std::variant<NotCopyConstructible> v2(v); // expected-error {{call to implicitly-deleted copy constructor of 'std::variant<NotCopyConstructible>'}}
v1 = v; // expected-error-re {{object of type 'std:{{.*}}:variant<NotCopyConstructible>' cannot be assigned because its copy assignment operator is implicitly deleted}}
}