1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// Copyright (c) 2018-2025 Jean-Louis Leroy
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/openmethod.hpp>
using boost::openmethod::virtual_ptr;
class Animal {
public:
virtual ~Animal() = default;
};
class Cat : private Animal {
public:
Animal& as_animal() {
return *this;
}
};
BOOST_OPENMETHOD(poke, (virtual_ptr<Animal&>), void);
BOOST_OPENMETHOD_OVERRIDE(poke, (virtual_ptr<Cat>), void) {
}
int main() {
Cat felix;
poke(felix.as_animal());
return 0;
}
|
