I understand that, I was just curious to see if there was another way to do it besides reflection.
On Thursday, February 16, 2017 at 12:03:43 PM UTC-8, Axel Wagner wrote: > > The question is: Why would you want to know? nil-pointers are perfectly > fine implementations of an interface. By caring whether the value > implementing your interface is a nil-pointer, you are breaking the > abstraction of your interface. > > On Thu, Feb 16, 2017 at 8:37 PM, Dragos Harabor <dh...@harabor.com > <javascript:>> wrote: > >> Actually it doesn't do what I asked, sorry if I was not clear, I was >> expecting your example to print "true true", got excited too quickly. >> >> https://play.golang.org/p/WnDyT9OOpr >> >> >> On Thursday, February 16, 2017 at 11:32:59 AM UTC-8, Dragos Harabor wrote: >>> >>> Nice, thank you! >>> >>> On Thursday, February 16, 2017 at 11:25:31 AM UTC-8, Jan Mercl wrote: >>>> >>>> On Thu, Feb 16, 2017 at 8:20 PM Dragos Harabor <dh...@harabor.com> >>>> wrote: >>>> >>>> > Is there any way to check whether the value stored in a non-nil >>>> interface is nil when you don't know the type, short of using >>>> reflect.Value.IsNil()? >>>> >>>> For example: https://play.golang.org/p/Sdqx7Frjxj >>>> >>>> -- >>>> >>>> -j >>>> >>> -- >> 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...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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.
