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 | // test forward |
10 | |
11 | #include <utility> |
12 | |
13 | #include "test_macros.h" |
14 | |
15 | struct A |
16 | { |
17 | }; |
18 | |
19 | A source() {return A();} |
20 | const A csource() {return A();} |
21 | |
22 | int main(int, char**) |
23 | { |
24 | { |
25 | (void)std::forward<A&>(t: source()); // expected-note {{requested here}} |
26 | // expected-error-re@*:* 1 {{static assertion failed{{.*}}cannot forward an rvalue as an lvalue}} |
27 | } |
28 | { |
29 | const A ca = A(); |
30 | std::forward<A&>(ca); // expected-error {{no matching function for call to 'forward'}} |
31 | } |
32 | { |
33 | std::forward<A&>(csource()); // expected-error {{no matching function for call to 'forward'}} |
34 | } |
35 | { |
36 | const A ca = A(); |
37 | std::forward<A>(ca); // expected-error {{no matching function for call to 'forward'}} |
38 | } |
39 | { |
40 | std::forward<A>(csource()); // expected-error {{no matching function for call to 'forward'}} |
41 | } |
42 | { |
43 | A a; |
44 | std::forward(a); // expected-error {{no matching function for call to 'forward'}} |
45 | } |
46 | |
47 | return 0; |
48 | } |
49 | |