Method storage_ptr

include/boost/json/storage_ptr.hpp:117–124

    template<class T>
    storage_ptr(
        detail::shared_resource_impl<T>* p) noexcept
        : i_(reinterpret_cast<std::uintptr_t>(
                static_cast<container::pmr::memory_resource*>(p)) + 1 +
            (json::is_deallocate_trivial<T>::value ? 2 : 0))
    {
        BOOST_ASSERT(p);
    }

public:
    /** Destructor.