Method clone

src/sys/expressionparser.cxx:179–185

} // namespace

FieldGeneratorPtr FieldBinary::clone(const list<FieldGeneratorPtr> args) {
  if (args.size() != 2) {
    throw ParseException("Binary operator expecting 2 arguments. Got {{}}", args.size());
  }

  return std::make_shared<FieldBinary>(args.front(), args.back(), op);
}

/// Convert a real value to a Boolean
/// Throw exception if `rval` isn't close to 0 or 1