Method Clone

common/value.cc:296–307

}  // namespace

Value Value::Clone(google::protobuf::Arena* absl_nonnull arena) const {
  return variant_.Visit([arena](const auto& alternative) -> Value {
    if constexpr (IsMonostate<decltype(alternative)>::value) {
      return Value();
    } else if constexpr (HasCloneMethod<absl::remove_cvref_t<
                             decltype(alternative)>>::value) {
      return alternative.Clone(arena);
    } else {
      return alternative;
    }
  });
}

std::ostream& operator<<(std::ostream& out, const Value& value) {
  return value.variant_.Visit([&out](const auto& alternative) -> std::ostream& {