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#pragma once
#include <memory>
#include <special_members.h>
template<typename Obj, auto Destroy> class wrapped_ptr {
public:
template<typename... Args, typename... Params>
explicit wrapped_ptr(Obj * (*factory)(Params...), Args &&... args) : obj {factory(std::forward<Args>(args)...)}
{
}
explicit wrapped_ptr(wrapped_ptr && p) : obj {p.obj}
{
p.obj = nullptr;
}
~wrapped_ptr()
{
if (obj) {
Destroy(obj);
}
}
NO_COPY(wrapped_ptr);
wrapped_ptr &
operator=(wrapped_ptr && p)
{
if (obj) {
Destroy(obj);
}
obj = p.obj;
p.obj = nullptr;
return *this;
}
[[nodiscard]] inline
operator Obj *() const noexcept
{
return obj;
}
[[nodiscard]] inline auto
operator->() const noexcept
{
return obj;
}
[[nodiscard]] inline auto
get() const noexcept
{
return obj;
}
protected:
explicit wrapped_ptr(Obj * o) : obj {o} { }
Obj * obj;
};
template<typename Obj, auto Create, auto Destroy> class wrapped_ptrt : public wrapped_ptr<Obj, Destroy> {
public:
template<typename... Args>
explicit wrapped_ptrt(Args &&... args) : wrapped_ptr<Obj, Destroy> {Create(std::forward<Args>(args)...)}
{
}
};
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