Perhaps slightly clearer: https://play.golang.org/p/DDZxqaEFi-T
-- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/35b396a3-04ab-4bab-acee-d7cd186e519c%40googlegroups.com.
