Function CreateEqualityStep

eval/eval/equality_steps.cc:275–278

Factory method for iterative _==_ and _!=_ Execution step

// Factory method for iterative _==_ and _!=_ Execution step
std::unique_ptr<ExpressionStep> CreateEqualityStep(bool negation,
                                                   int64_t expr_id) {
  return std::make_unique<IterativeEqualityStep>(negation, expr_id);
}

// Factory method for recursive @in Execution step
std::unique_ptr<DirectExpressionStep> CreateDirectInStep(