Function hasOperator

src/compute-engine/symbolic/fu-transforms.ts:43–47

(expr: Expression, ...ops: string[])

 * Check if expression contains specific operators anywhere in the tree
 */
export function hasOperator(expr: Expression, ...ops: string[]): boolean {
  if (ops.includes(expr.operator)) return true;
  if (!isFunction(expr)) return false;
  return expr.ops.some((x) => hasOperator(x, ...ops));
}

/**
 * Apply a transformation function to all subexpressions (bottom-up)