File: copy.fail.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-20
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,436 kB
  • sloc: cpp: 5,593,990; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (32 lines) | stat: -rw-r--r-- 1,128 bytes parent folder | download | duplicates (18)
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
//===----------------------------------------------------------------------===//
//
// 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++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}}
}