Given the following code:

class DataStorer $\{$ short data; public: $//$ other stuff DataStorer operator$++($int$)\{$ DataStorer temp$($data$)$; $++$data; return temp; $\}\}$;

Explain what is going on in the code. In your discussion, be sure to answer the following questions:

i$)$ What's that unnamed int argument? ii$)$ Why$\text{'}$s the function defined inside the class definition? iii$)$ Does this class do anything useful?