an></span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-printf"><a href="#type-printf" class="anchor"></a><code><span><span class="keyword">type</span> <span>'a printf</span></span><span> = <span><span><span>(<span class="type-var">'a</span>, unit)</span> <a href="#type-fmt">fmt</a></span> <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'a</span></span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-pf"><a href="#type