lue</span></code></div></div><h6 id="core-functions"><a href="#core-functions" class="anchor"></a>Core functions</h6><div class="odoc-spec"><div class="spec value anchored" id="val-make_device"><a href="#val-make_device" class="anchor"></a><code><span><span class="keyword">val</span> make_device : <span>unit <span class="arrow">&#45;&gt;</span></span> <a href="#type-device">device</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-arr_to_value"><a href="#val-arr_to_