You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
832 B
C++
49 lines
832 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <functional>
|
|
|
|
// reference_wrapper
|
|
|
|
// operator T& () const;
|
|
|
|
#include <functional>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
class functor1
|
|
{
|
|
};
|
|
|
|
template <class T>
|
|
void
|
|
test(T& t)
|
|
{
|
|
std::reference_wrapper<T> r(t);
|
|
T& r2 = r;
|
|
assert(&r2 == &t);
|
|
}
|
|
|
|
void f() {}
|
|
|
|
int main(int, char**)
|
|
{
|
|
void (*fp)() = f;
|
|
test(fp);
|
|
test(f);
|
|
functor1 f1;
|
|
test(f1);
|
|
int i = 0;
|
|
test(i);
|
|
const int j = 0;
|
|
test(j);
|
|
|
|
return 0;
|
|
}
|