RowView.byName

Lookup a field by column name using the attached header index.

Returns CsvResult!FieldView holding the field on success. Errors:

• HEADER_NOT_ATTACHED when no header index has been attached.
• INVALID_COLUMN when the provided name is not present in the header.

  Examples

  import ddn.data.csv;
  const text = "id,name\n1,Ada\n";
  auto it = byRows(text);
  auto header = it.front;
  auto hidx = makeHeaderIndex(header);
  it.popFront();
  auto row = it.front; row.attachHeader(&hidx);
  auto nameField = row.byName("name");
  assert(nameField.isOk && nameField.value.toString() == "Ada");