| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // test forward |
| |
| #include <utility> |
| |
| #include "test_macros.h" |
| |
| struct A |
| { |
| }; |
| |
| A source() {return A();} |
| const A csource() {return A();} |
| |
| int main(int, char**) |
| { |
| { |
| std::forward<A&>(source()); // expected-note {{requested here}} |
| // expected-error-re@type_traits:* 1 {{static_assert failed{{.*}} "can not forward an rvalue as an lvalue"}} |
| } |
| { |
| const A ca = A(); |
| std::forward<A&>(ca); // expected-error {{no matching function for call to 'forward'}} |
| } |
| { |
| std::forward<A&>(csource()); // expected-error {{no matching function for call to 'forward'}} |
| } |
| { |
| const A ca = A(); |
| std::forward<A>(ca); // expected-error {{no matching function for call to 'forward'}} |
| } |
| { |
| std::forward<A>(csource()); // expected-error {{no matching function for call to 'forward'}} |
| } |
| { |
| A a; |
| std::forward(a); // expected-error {{no matching function for call to 'forward'}} |
| } |
| |
| return 0; |
| } |