ss="kind-class">IOSink</span> class </h1></div>

    <section class="desc markdown">
      <p>A combined byte and text output.</p>
<p>An <a href="dart-io/IOSink-class.html">IOSink</a> combines a <a href="dart-async/StreamSink-class.html">StreamSink</a> of bytes with a <a href="dart-core/StringSink-class.html">StringSink</a>,
and allows easy output of both bytes and text.</p>
<p>Writing text (<a href="dart-io/IOSink/write.html">write</a>) and adding bytes (<a href="dart-io/IOSink/add.html">add</a>) may be in