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 | // UNSUPPORTED: c++03, c++11 |
10 | |
11 | // <propagate_const> |
12 | |
13 | // element_type& propagate_const::operator*(); |
14 | |
15 | #include <experimental/propagate_const> |
16 | #include "test_macros.h" |
17 | #include "propagate_const_helpers.h" |
18 | #include <cassert> |
19 | |
20 | using std::experimental::propagate_const; |
21 | |
22 | typedef propagate_const<X> P; |
23 | |
24 | constexpr P f() |
25 | { |
26 | P p(1); |
27 | *p = 2; |
28 | return p; |
29 | } |
30 | |
31 | int main(int, char**) { |
32 | constexpr P p = f(); |
33 | static_assert(*p==2,"" ); |
34 | |
35 | return 0; |
36 | } |
37 | |