Function ParseEnumArg

cpp/src/arrow/engine/substrait/extension_set.cc:789–793

template <typename Enum>
Result<Enum> ParseEnumArg(const SubstraitCall& call, int arg_index,
                          const EnumParser<Enum>& parser) {
  ARROW_ASSIGN_OR_RAISE(std::string_view enum_val, call.GetEnumArg(arg_index));
  return parser.Parse(enum_val);
}

Result<std::vector<compute::Expression>> GetValueArgs(const SubstraitCall& call,
                                                      int start_index) {