n <span class='op'>=</span> <span class='va'>fun</span>, reg <span class='op'>=</span> <span class='va'>tmp</span><span class='op'>)</span>
</div><div class='output co'>#&gt; <span class='message'>Adding problem 'rexp'</span></div><div class='input'>
<span class='co'># add first algorithm</span>
<span class='va'>fun</span> <span class='op'>=</span> <span class='kw'>function</span><span class='op'>(</span><span class='va'>instance</span>, <span class='va'>method</span>, <span class='va'>...</span><span class