Method Evaluate

eval/eval/function_step_test.cc:122–139

  }

  absl::Status Evaluate(absl::Span<const CelValue> args, CelValue* result,
                        google::protobuf::Arena* arena) const override {
    if (args.size() != 2 || !args[0].IsInt64() || !args[1].IsInt64()) {
      return absl::Status(absl::StatusCode::kInvalidArgument,
                          "Mismatched arguments passed to method");
    }
    if (should_return_unknown_) {
      *result =
          CreateUnknownFunctionResultError(arena, "Add can't be resolved.");
      return absl::OkStatus();
    }

    int64_t arg0 = args[0].Int64OrDie();
    int64_t arg1 = args[1].Int64OrDie();

    *result = CelValue::CreateInt64(arg0 + arg1);
    return absl::OkStatus();
  }

 private:
  bool should_return_unknown_;