Method Evaluate

eval/eval/equality_steps.cc:226–238

        container_(std::move(container)) {}

  absl::Status Evaluate(ExecutionFrameBase& frame, Value& result,
                        AttributeTrail& attribute_trail) const override {
    AttributeTrail item_attr;
    CEL_RETURN_IF_ERROR(item_->Evaluate(frame, result, item_attr));

    Value container_result;
    AttributeTrail container_attr;
    CEL_RETURN_IF_ERROR(
        container_->Evaluate(frame, container_result, container_attr));
    CEL_ASSIGN_OR_RETURN(result, EvaluateIn(frame, result, item_attr,
                                            container_result, container_attr));
    return absl::OkStatus();
  }

 private:
  std::unique_ptr<DirectExpressionStep> item_;