/span>
    <span class="comment">// Check the template types</span>
    <span class="keyword">static_assert</span><span class="special">(</span><span class="identifier">is_sync_write_stream</span><span class="special">&lt;</span><span class="identifier">SyncWriteStream</span><span class="special">&gt;::</span><span class="identifier">value</span><span class="special">,</span>
        <span class="string">"SyncWriteStream requirements not met"</span><span class="special">);</span>
    <span class="keyword">s