r>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;bindings&nbsp;:&nbsp;<span class="keywordsign">'</span>a&nbsp;<span class="constructor">Map</span>.<span class="constructor">S</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;(<span class="constructor">Map</span>.<span class="constructor">S</span>.key&nbsp;*&nbsp;<span class="keywordsign">'</span>a)&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;min_binding&nbsp;:&nbsp;<span class=