Function ToLittleEndian

cpp/src/parquet/encoding_test.cc:1565–1571

template <typename c_type>
static std::vector<c_type> ToLittleEndian(const std::vector<c_type>& input) {
  std::vector<c_type> data(input.size());
  std::transform(input.begin(), input.end(), data.begin(), [](const c_type& value) {
    return ::arrow::bit_util::ToLittleEndian(value);
  });
  return data;
}

std::shared_ptr<ColumnDescriptor> FLBAColumnDescriptor(int type_length) {
  auto node =