func go/types.isValidName

4 uses

	go/types (current package)
		call.go#L715: 					if isValidName(sel) {
		call.go#L724: 					if !pkg.fake && isValidName(sel) {
		predicates.go#L574: func isValidName(s string) bool {
		typexpr.go#L30: 		} else if isValidName(e.Name) {