for nil? Reading this group got me that far
http://play.golang.org/p/ETjr8m3VKe
but I fail on the last mile.
Re-using an accepted answer on this group
(https://groups.google.com/d/msg/golang-nuts/4oHXpsOSZbc/0h7j7oq6Su0J)
didn't help either:
http://play.golang.org/p/oZsYiy_EHb
Please help, Johann
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