;&gt;</span> <span class="type-var">'a</span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> Cmdliner.Term.t</span></code></dt><dd><p>Replaces Term.const but allow a unit terms (like the one generated by <a href="index.html#val-setter"><code>setter</code></a>) to be evaluated before the function is called</p></dd></dl><dl><dt class="spec value" id="val-func_options"><a href="#val-func_options" class="anchor"></a><code><span class="keyword">val</span> func_options : <span><span>unit Cmdliner.T