libcruft-util/memory/deleter.hpp

41 lines
1.1 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_MEMORY_DELETER_HPP
#define __UTIL_MEMORY_DELETER_HPP
namespace util { namespace memory {
template <typename T, typename U, void (U::*F)(T*)>
class object_deleter {
public:
static_assert (F != nullptr, "destroy function must be non-null");
object_deleter (U &owner):
m_owner (owner)
{ ; }
void operator() (T *t)
{
(m_owner.*F) (t);
}
private:
U& m_owner;
};
} }
#endif