d_int64&nbsp;:&nbsp;int64&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Pretty</span>.doc<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;f_int64&nbsp;:&nbsp;unit&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int64&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Pretty</span>.doc<br>
&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">MakeMapPrinter</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">func