On Fri, Aug 21, 2020, 9:16 PM 'Dan Kortschak' via golang-nuts < golang-nuts@googlegroups.com> wrote:
> On Sat, 2020-08-15 at 21:44 -0700, Ian Lance Taylor wrote: > > On Sat, Aug 15, 2020 at 3:45 PM 'Dan Kortschak' via golang-nuts > > <golang-nuts@googlegroups.com> wrote: > > > > > > I would like to be able to obtain the original type for an alias > > > given > > > a source input. I can see in "go/types" that it's possible to know > > > whether a named type is an alias by `typ.Obj().IsAlias()`, but I > > > cannot > > > see how to obtain the actual original type unless it is an alias > > > for a > > > basic type. > > > > > > Can someone point me to a way to get this information? From the > > > source > > > it looks something like > > > `typ.Obj().Type().(*types.Named).Obj().Type()`. > > > Is this correct assuming that the original type is a named type? > > > > I haven't tested it but I *think* you can just write > > typ.Underlying(). > > > > Ian > > Thanks, Ian. > > No that doesn't work. For example with type byte, you get back the byte > name. > > https://play.golang.org/p/PPjHBotsIsw The underlying type of byte is indeed byte. What are you hoping for? Ian > > -- 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/CAOyqgcX6Dwe1-YduJ_kvAGj%2B6N0uVYAiqK0-NJo3-yDukkuWXA%40mail.gmail.com.
