| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <memory> |
| |
| // template <ObjectType T> T* addressof(T& r); |
| |
| #include <memory> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| struct A |
| { |
| void operator&() const {} |
| }; |
| |
| struct nothing { |
| operator char&() |
| { |
| static char c; |
| return c; |
| } |
| }; |
| |
| int main(int, char**) |
| { |
| { |
| int i; |
| double d; |
| assert(std::addressof(i) == &i); |
| assert(std::addressof(d) == &d); |
| A* tp = new A; |
| const A* ctp = tp; |
| assert(std::addressof(*tp) == tp); |
| assert(std::addressof(*ctp) == tp); |
| delete tp; |
| } |
| { |
| union |
| { |
| nothing n; |
| int i; |
| }; |
| assert(std::addressof(n) == (void*)std::addressof(i)); |
| } |
| |
| return 0; |
| } |