Yes, you can do this. Perhaps someone knows of some kind of cleaner shortcuts to get there, but this works and is easy to understand without any magic:
https://play.golang.org/p/tqon7s2KxTz -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.