> on the socket to release
        the resources. The complexity of managing a separate timer is often a source
        of <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1269r0.html#timers" target="_top">frustration</a>
        for non-experts.
      </p>
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<th align="left">Note</th>
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