What exactly would you cast to *types.TypeName, btw? Looks like *types.TypeName is not a types.Type (missing Underlying() method).
On Sunday, April 23, 2017 at 11:11:13 PM UTC-7, Axel Wagner wrote: > > I'd say, probably type-asserting to a *types.TypeName > <https://golang.org/pkg/go/types/#TypeName> and then use Exported() > <https://golang.org/pkg/go/types/#TypeName.Exported> (the code of which > also leads to ast.IsExported <https://golang.org/pkg/go/ast/#IsExported>). > > Side-note: You probably shouldn't rely on parsing the output of String() > of any value, just as you shouldn't rely on parsing the output of > error.Error(). > > On Mon, Apr 24, 2017 at 7:06 AM, <m...@tejas.io <javascript:>> wrote: > >> https://golang.org/pkg/go/types/#Type >> >> Is there a helper function to determine whether a *types.Type* is >> exported? It seems like I can do some string parsing like >> >> t := something.Type() >> parts := strings.Split(t.String(), ".") // go/ast.Node => ["go/ast", >> "Node"] >> ident := parts[len(parts)-1] // "Node" >> exported := strings.IsUpper(ident[0]) >> >> but I imagine there's a simpler, more robust way. The end goal is to find >> out whether a type of a method argument is exported-- e.g. >> namedType := obj.Type().(*types.Named) >> method := namedType.Method(0) >> signature := method.Type().(*types.Signature) >> signature.Params().At(0).Type() // is this exported? >> >> And, for some context, all of this is from walking go/ast >> >> -- >> 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.
