a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
52 lines
986 B
C++
52 lines
986 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <memory>
|
|
|
|
// template <ObjectType T> T* addressof(T& r);
|
|
|
|
#include <memory>
|
|
#include <cassert>
|
|
|
|
struct A
|
|
{
|
|
void operator&() const {}
|
|
};
|
|
|
|
struct nothing {
|
|
operator char&()
|
|
{
|
|
static char c;
|
|
return c;
|
|
}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
{
|
|
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));
|
|
}
|
|
}
|