Function get_impl_ptr

Source/external/json.hpp:20581–20584

	/// get a pointer to the value (object)
	object_t* get_impl_ptr(object_t* /*unused*/) noexcept
	{
		return is_object() ? m_value.object : nullptr;
	}

	/// get a pointer to the value (object)
	constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept