if (attr_.full_type() == "string") {
    return {AttrNameString(), VariableName(), VariableStrLen()};
  } else if (attr_.full_type() == "list(string)") {
    return {AttrNameString(), VariableName()};  // accepts span directly
  } else if (attr_.is_list()) {
    return {AttrNameString(), VariableSpanData(), VariableSpanLen()};
  } else {
    return {AttrNameString(), VariableName()};
  }
}

}  // namespace cpp

namespace tensorflow {
namespace generator {
namespace cpp {

class AttrView {
 public:
  explicit AttrView(AttrSpec attr) : attr_(attr) {}

  string VariableName() const;
  string VariableType() const;
  string AttrNameString() const;
  string VariableStrLen() const;
  string VariableSpanData() const;
  string VariableSpanLen() const;
  string DefaultValue() const;
  string InputArg(bool with_default_value) const;