 <span>expected_classname:string</span> <span>&#45;&gt;</span> unit</code></dt><dt class="spec value" id="val-assert_some"><a href="#val-assert_some" class="anchor"></a><code><span class="keyword">val</span> assert_some : <span><span class="type-var">'a</span> option</span> <span>&#45;&gt;</span> <span class="type-var">'a</span></code></dt><dt class="spec value" id="val-assert_none"><a href="#val-assert_none" class="anchor"></a><code><span class="keyword">val</span> assert_none : <span><span class="type-var