Function WriteHeader

cpp/src/arrow/csv/test_common.cc:75–77

const std::vector<std::string> strptime_rows = {"10/17/1917", "9/13/2018", "9/5/1945"};

static void WriteHeader(std::ostream& writer) {
  writer << "Int64,Float,Decimal128,ISO8601,Strptime" << std::endl;
}

static std::string GetCell(const std::vector<std::string>& base_rows, size_t row_index) {
  return base_rows[row_index % base_rows.size()];