ecency-mobile/ios/Pods/boost-for-react-native/boost/move/detail/destruct_n.hpp

68 lines
1.2 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2015-2016.
// 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)
//
// See http://www.boost.org/libs/move for documentation.
//
//////////////////////////////////////////////////////////////////////////////
//! \file
#ifndef BOOST_MOVE_DETAIL_DESTRUCT_N_HPP
#define BOOST_MOVE_DETAIL_DESTRUCT_N_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <cstddef>
namespace boost {
namespace movelib{
template<class T>
class destruct_n
{
public:
explicit destruct_n(T *raw)
: m_ptr(raw), m_size()
{}
void incr()
{
++m_size;
}
void incr(std::size_t n)
{
m_size += n;
}
void release()
{
m_size = 0u;
m_ptr = 0;
}
~destruct_n()
{
while(m_size--){
m_ptr[m_size].~T();
}
}
private:
T *m_ptr;
std::size_t m_size;
};
}} //namespace boost { namespace movelib{
#endif //#ifndef BOOST_MOVE_DETAIL_DESTRUCT_N_HPP