listFillByNumberRange function
generate string list by range
Implementation
List<SparkPickerData> listFillByNumberRange(int start, int end,
{String suffix = ''}) {
return List.generate(
end - start + 1,
(index) => SparkPickerData.form(
'${_digits(index + start, 2)}$suffix',
index + start,
index,
),
);
}