ally returning the output value of <code>f</code> wrapped in the output type.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-exec_joined"><a href="#val-exec_joined" class="anchor"></a><code><span><span class="keyword">val</span> exec_joined : 
  <span><span><span>(<span class="type-var">'stdin</span>, <a href="../Core/index.html#type-stdout">Core.stdout</a>, <a href="../Core/index.html#type-stderr">Core.stderr</a>)</span> <a href="../Core/Cmd/index.html#type-t">Core.Cmd.t</a>