">'a</span> option</span> <span>&#45;&gt;</span> unit</code></dt><dt class="spec value" id="val-test_from_string"><a href="#val-test_from_string" class="anchor"></a><code><span class="keyword">val</span> test_from_string : OUnit2.test</code></dt><dt class="spec value" id="val-test_anonymous"><a href="#val-test_anonymous" class="anchor"></a><code><span class="keyword">val</span> test_anonymous : OUnit2.test</code></dt><dt class="spec value" id="val-test_outer"><a href="#val-test_outer" class="anchor"></a><co