lass="type-var">'stdout</span>, <span class="type-var">'stderr</span>)</span> <a href="../Core/Cmd/index.html#type-t">Cmd.t</a></span></span></code></div><div class="spec-doc"><p>Use non-blocking I/O on any pipes. When doing I/O with any such channel, you must catch <code>Sys_blocked_io</code> in the event no data is ready for reading.</p></div></div></details></div></div></body></html>
