learning_stl/stl_construct.h at master · hiddaorear/learning_stl · GitHub

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#ifndef LEARNING_STL_STL_CONSTRUCT_H
#define LEARNING_STL_STL_CONSTRUCT_H
template <class _T1, class _T2>
inline void _Construct(_T1* __p, const _T2& __value) {
    new ((void*) __p) _T1(__value);
}

template <class _T1>
inline void _Construct(_T1* __p) {
    new ((void*) __p) _T1();
}

template <class _Tp>
inline void _Destroy(_Tp* __pointer) {
    __pointer->~_Tp();
}

template <class _ForwardIterator>
void
__destroy_aux(_ForwardIterator __first, _ForwardIterator __last, SGI::__false_type)
{
    for ( ; __first != __last; ++__first)
        destroy(&*__first);
}

template <class _ForwardIterator>
inline void __destroy_aux(_ForwardIterator, _ForwardIterator, SGI::__true_type) {}

template <class _ForwardIterator, class _Tp>
inline void
__destroy(_ForwardIterator __first, _ForwardIterator __last, _Tp*)
{
    typedef typename SGI::__type_traits<_Tp>::has_trivial_destructor
            _Trivial_destructor;
    __destroy_aux(__first, __last, _Trivial_destructor());
}

template <class _ForwardIterator>
inline void _Destroy(_ForwardIterator __first, _ForwardIterator __last) {
    __destroy(__first, __last, __VALUE_TYPE(__first));
}

inline void _Destroy(char*, char*) {}
inline void _Destroy(int*, int*) {}
inline void _Destroy(long*, long*) {}
inline void _Destroy(float*, float*) {}
inline void _Destroy(double*, double*) {}
#ifdef __STL_HAS_WCHAR_T
inline void _Destroy(wchar_t*, wchar_t*) {}
#endif /* __STL_HAS_WCHAR_T */

// --------------------------------------------------
// Old names from the HP STL.

template <class _T1, class _T2>
inline void construct(_T1* __p, const _T2& __value) {
    _Construct(__p, __value);
}

template <class _T1>
inline void construct(_T1* __p) {
    _Construct(__p);
}

template <class _Tp>
inline void destroy(_Tp* __pointer) {
    _Destroy(__pointer);
}

template <class _ForwardIterator>
inline void destroy(_ForwardIterator __first, _ForwardIterator __last) {
    _Destroy(__first, __last);
}
#endif //LEARNING_STL_STL_CONSTRUCT_H