Method IsBound

cpp/src/arrow/compute/expression.cc:281–293

}

bool Expression::IsBound() const {
  if (type() == nullptr) return false;

  if (const Call* call = this->call()) {
    if (call->kernel == nullptr) return false;

    for (const Expression& arg : call->arguments) {
      if (!arg.IsBound()) return false;
    }
  }

  return true;
}

bool Expression::IsScalarExpression() const {
  if (auto lit = literal()) {