<div class="odoc-spec"><div class="spec value anchored" id="val-string_of_fingerprints"><a href="#val-string_of_fingerprints" class="anchor"></a><code><span><span class="keyword">val</span> string_of_fingerprints : <span>?len:int <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-fingerprints">fingerprints</a> <span class="arrow">&#45;&gt;</span></span> string</span></code></div><div class="spec-doc"><p>Serialize a value of type <a href="#type-fingerprints"><code>fingerprints</code></a> into a