Method Evaluate

eval/eval/equality_steps.cc:88–100

        negation_(negation) {}

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

    Value rhs_result;
    AttributeTrail rhs_attr;
    CEL_RETURN_IF_ERROR(rhs_->Evaluate(frame, rhs_result, rhs_attr));
    CEL_ASSIGN_OR_RETURN(
        result, EvaluateEquality(frame, result, lhs_attr, rhs_result, rhs_attr,
                                 negation_));
    return absl::OkStatus();
  }

 private:
  std::unique_ptr<DirectExpressionStep> lhs_;