ss="keyword">val</span> colon_sp : <span><span class="type-var">'a</span> <span class="xref-unresolved">Fmt</span>.t</span></span></code></div><div class="spec-doc"><p><code>colon_sp</code> is <code>Fmt.any &quot;:@ &quot;</code>. It prints a colon and a space break hint.</p></div></div><div class="odoc-spec"><div class="spec module anchored" id="module-Labelled"><a href="#module-Labelled" class="anchor"></a><code><span><span class="keyword">module</span> <a href="Labelled/index.html">Labelled</a></span><sp