_first_some"><a href="#val-eval_until_first_some" class="anchor"></a><code><span class="keyword">val</span> eval_until_first_some : <span><span>(unit <span>&#45;&gt;</span> <span><span class="type-var">'a</span> option</span>)</span> list</span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> option</span></code></dt><dd><p>given a list of functions taking unit, evaluate and return the first one to return <code>Some x</code></p></dd></dl><dl><dt class="spec value" id="val-pp_print_list"><a hre