stdafx.h

#include <QtWidgets>
#include <memory>

using std::unique_ptr;

//nullable-delete functions (https://stackoverflow.com/questions/1265666/reason-why-not-to-have-a-delete-macro-for-c)
template< class T > void SafeDelete( T*& pVal )
{
    if(pVal)
    {
        delete pVal;
        pVal = nullptr;
    }
}

template< class T > void SafeDeleteArray( T*& pVal )
{
    if(pVal)
    {
        delete[] pVal;
        pVal = nullptr;
    }
}