amxmodx/public/amtl/am-moveable.h

// vim: set sts=8 ts=2 sw=2 tw=99 et:
//
// Copyright (C) 2013, David Anderson and AlliedModders LLC
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#ifndef _include_amtl_moveable_h_
#define _include_amtl_moveable_h_

#include <am-type-traits.h>

namespace ke {

// Previously, we implemented Move semantics without C++11. Now that we use
// C++11, we implement this as STL does for std::move.
template <typename T>
static inline typename remove_reference<T>::type &&
Move(T &&t)
{
  return static_cast<typename remove_reference<T>::type &&>(t);
}

// std::forward replacement. See:
//   http://thbecker.net/articles/rvalue_references/section_07.html and
//   http://thbecker.net/articles/rvalue_references/section_08.html
template <typename T>
static KE_CONSTEXPR inline T &&
Forward(typename remove_reference<T>::type &t) KE_NOEXCEPT
{
  return static_cast<T &&>(t);
}

template <typename T>
static KE_CONSTEXPR inline T &&
Forward(typename remove_reference<T>::type &&t) KE_NOEXCEPT
{
  return static_cast<T &&>(t);
}

template <typename T>
static inline void
MoveRange(T *dest, T *src, size_t length)
{
  for (size_t i = 0; i < length; i++) {
    new (&dest[i]) T(ke::Move(src[i]));
    src[i].~T();
  }
}

} // namespace ke

#endif // _include_amtl_moveable_h_