
  delim = "|",
  col_types = cols(
    date = col_date(format = ""),
    population = col_integer(),
    town = col_character()
  ),
  show_col_types = FALSE
) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> controlling-column-types-1 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv("
         a, b, c
         1, 2, 3") </td>
  </tr>
  <tr>
   <td style="text-align:left;"> controlling-column-types-2 </td>
   <td style="text-align:left;