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 | // <functional> |
10 | |
11 | // reference_wrapper |
12 | |
13 | // template <ObjectType T> reference_wrapper<T> ref(T& t); |
14 | |
15 | // Don't allow binding to a temp |
16 | |
17 | #include <functional> |
18 | |
19 | struct A {}; |
20 | |
21 | const A source() {return A();} |
22 | |
23 | int main(int, char**) |
24 | { |
25 | std::reference_wrapper<const A> r = std::ref(source()); |
26 | (void)r; |
27 | |
28 | return 0; |
29 | } |
30 | |