2016-08-09 10:26 GMT+02:00 Sam Salisbury <samsalisb...@gmail.com>: > So, for purely academic reasons, what if I wanted to write a function to > look inside an interface value to determine if its value pointer is nil? > > I tried this, following from your simplified example Steven.... > https://play.golang.org/p/oG2aQzlKfc > > var m map[string]interface{} > var i interface{} = m // i is interface{}, right? > id := reflect.ValueOf(i).InterfaceData() // nope, panics "call of > reflect.Value.InterfaceData on map Value"
You can indirect via a pointer: https://play.golang.org/p/NmnvqTdWHF //jb -- 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.
