span>
      </span>
      </h4>
      <p class="shortcomment cmt">Counts the non-NA elements of the Vec subject to passing the
predicate function</p><div class="fullcomment"><div class="comment cmt"><p>Counts the non-NA elements of the Vec subject to passing the
predicate function</p></div><dl class="paramcmts block"><dt class="param">test</dt><dd class="cmt"><p>A function from A to Boolean
</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.saddle.