Function make_dynamic

extensions/expression-language/Expression.cpp:88–90

}

Expression make_dynamic(const std::function<Value(const Parameters &params, const std::vector<Expression> &sub_exprs)> &val_fn) {
  return Expression(Value(), val_fn);
}

Expression make_dynamic_attr(const std::string &attribute_id) {
  return make_dynamic([attribute_id](const Parameters &params, const std::vector<Expression>& /*sub_exprs*/) -> Value {