e>WARNING</code>, so in particular there's no need to for caller to specifically log about the details of a non-false <code>E</code>.</p>
<h3>Features of <code>Peer_socket::write_some()</code> not provided here</h3>
<p >We have (consciously) made these concessions:</p><ul>
<li><code>payload_blob</code> is a single blob. <code>write_some()</code> is templated in such a way as to accept that or a <em>sequence</em> of <code>Blob_const</code>s, meaning it supports scatter/gather.</li>
<li>This function never bl