PlutoColumnGroupPair constructor
PlutoColumnGroupPair({
- required PlutoColumnGroup group,
- required List<
PlutoColumn> columns,
Implementation
PlutoColumnGroupPair({
required this.group,
required this.columns,
}) :
// a unique reproducible key
_key = ValueKey(group.key.toString() +
columns.fold("",
(previousValue, element) => "$previousValue-${element.field}"));