format method

String format(
  1. List<String> list
)

Locale-dependant concatenation of lists, for example in en-US locale:

format(['A', 'B', 'C']) == 'A, B, and C'

Implementation

String format(List<String> list) {
  if (isInTest) {
    return '${list.join(', ')}//${_listFormatImpl.locale}';
  } else {
    return _listFormatImpl.formatImpl(list);
  }
}