         actions while using Phoenix: <code class="computeroutput"><span class="identifier">lex</span><span class="special">::</span><span class="identifier">more</span><span class="special">()</span></code>, <code class="computeroutput"><span class="identifier">lex</span><span class="special">::</span><span class="identifier">less</span><span class="special">()</span></code>, and <code class="computeroutput"><span class="identifier">lex</span><span class="special">::</span><span class="identifier">lookahea