;&nbsp;&nbsp;<span class="constructor">Stdlib</span>.out_channel&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;(<span class="keywordsign">'</span>a,&nbsp;<span class="constructor">Stdlib</span>.out_channel,&nbsp;unit,&nbsp;<span class="keywordsign">'</span>d)&nbsp;<span class="constructor">Stdlib</span>.format4&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;ikfprintf&nbsp;:&nbsp;(<span class