s)">expires_from_now</a><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">duration_type</span> <span class="special">&amp;</span> <span class="identifier">expiry_time</span><span class="special">);</span>
  <span class="emphasis"><em>&#187; <a class="link" href="expires_from_now/overload2.html" title="basic_deadline_timer::expires_from_now (2 of 3 overloads)">more...</a></em></span>

<span class="identifier">std</span><span class="special">::</span><span class="i