</p>

<p>
There are subtler variants on this theme, such as this program.
</p>

<pre>
type T struct {
	msg string
}

var g *T

func setup() {
	t := new(T)
	t.msg = "hello, world"
	g = t
}

func main() {
	go setup()
	for g == nil {
	}
	print(g.msg)
}
</pre>

<p>
Even if <code>main</code> observes <code>g != nil</code> and exits its loop,

<base href="{{url_link}}">
<div style="border:1px solid #999;margin:5px -1px;padding:0;">
<div style="color:#000;background:#ddd;border:1px solid #666;margin:10px 15px;padding:5px;text-align:left;">{{cache_msg}}</div>
</div>

<base href="{{url_link}}">
<div style="border:1px solid #999;margin:5px -1px;padding:0;">
<div style="color:#000;background:#ddd;border:1px solid #666;margin:10px 15px;padding:5px;text-align:left;">{{cache_msg}}</div>
</div>