f_nil() = {nil, <a href="#type-line">line()</a>}</tt></p>


<h3 class="typedecl"><a name="type-af_pattern">af_pattern()</a></h3>
<p><tt>af_pattern() = <a href="#type-af_fork">af_fork()</a> | <a href="#type-af_init">af_init()</a> | <a href="#type-af_exit">af_exit()</a> | <a href="#type-af_send">af_send()</a> | <a href="#type-af_recv">af_recv()</a></tt></p>
<p>  Symbolic action pattern abstract form.</p>

<h3 class="typedecl"><a name="type-af_qualifier">af_qualifier()</a></h3>
<p><tt>af_qualifier() = <a href=