Method Evaluate

eval/compiler/flat_expr_builder_test.cc:110–125

  }

  absl::Status Evaluate(absl::Span<const CelValue> args, CelValue* result,
                        google::protobuf::Arena* arena) const override {
    if (args.size() != 2) {
      return absl::InvalidArgumentError("Bad arguments number");
    }

    std::string concat = std::string(args[0].StringOrDie().value()) +
                         std::string(args[1].StringOrDie().value());

    auto* concatenated =
        google::protobuf::Arena::Create<std::string>(arena, std::move(concat));

    *result = CelValue::CreateString(concatenated);

    return absl::OkStatus();
  }
};

class RecorderFunction : public CelFunction {