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memory/deleter: add function calling deleter

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used with unique_ptr in the deletion phase
This commit is contained in:
Danny Robson 2015-11-24 16:53:10 +11:00
parent ffe219748a
commit 93c08b048c
1 changed files with 25 additions and 1 deletions
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26
memory/deleter.hpp
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@ -17,7 +17,31 @@
#ifndef __UTIL_MEMORY_DELETER_HPP
#define __UTIL_MEMORY_DELETER_HPP
#include <functional>
namespace util { namespace memory {
template <typename T>
class func_deleter {
public:
using func_t = std::function<void(T*)>;
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 T, typename U, void (U::*F)(T*)>
class owner_deleter {
public:
@ -25,7 +49,7 @@ namespace util { namespace memory {
m_owner (owner)
{ ; }
void operator() (T *t)
inline void operator() (T *t)
{
(m_owner.*F) (t);
}