libcruft-util/memory/deleter.hpp
Danny Robson f6056153e3 rename root namespace from util to cruft
This places, at long last, the core library code into the same namespace
as the extended library code.
2018-08-05 14:42:02 +10:00

59 lines
1.3 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_MEMORY_DELETER_HPP
#define __UTIL_MEMORY_DELETER_HPP
#include <functional>
namespace cruft::memory {
template <typename T>
class func_deleter {
public:
using func_t = std::function<void(T*)>;
explicit func_deleter (func_t _func):
m_func (_func)
{ ; }
inline void operator() (T *t)
{ m_func (t); }
private:
func_t m_func;
};
// dispatch object deletion to a known member function.
//
// XXX: Generates a "sorry, unimplemented" under GCC (which is
// effectively an ICE). Their bug tracker seems to indicate they don't
// give a fuck, so we can't use this except under clang.
template <
typename ValueT,
typename OwnerT,
void (OwnerT::*Func)(ValueT*)
>
class owner_deleter {
public:
owner_deleter (OwnerT &owner):
m_owner (owner)
{ ; }
inline void operator() (ValueT *t)
{
(m_owner.*Func) (t);
}
private:
OwnerT& m_owner;
};
}
#endif