checked_delete.h

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#pragma once
 
// verify that types are complete for increased safety
template<typename T>
inline void checked_delete(T*& x)
{
    static_assert(sizeof(T), "Trying to delete a pointer to an incomplete type.");
    delete x;
    x = nullptr;
}
 
template<typename T>
inline void checked_array_delete(T*& x)
{
    static_assert(sizeof(T), "Trying to delete a pointer to an incomplete type.");
    delete[] x;
    x = nullptr;
}
 
template<typename T>
struct checked_deleter
{
    void operator()(T*& x) const
    {
        checked_delete(x);
    }
};
 
template<typename T>
struct checked_array_deleter
{
    void operator()(T*& x) const
    {
        checked_array_delete(x);
    }
};