go/lib/godoc/example.html

<div class="example">
	<div class="collapsed">
		<p class="exampleHeading">▹ Example</p>
	</div>
	<div class="expanded">
		<p class="exampleHeading">▾ Example</p>
		<p>Code:</p>
		<p class="code"><pre>{{.Code}}</pre></p>
		{{if .Output}}
		<p>Output:</p>
		<p class="output"><pre>{{html .Output}}</pre></p>
		{{end}}
	</div>
</div>