regionItems method
Implementation
regionItems(String regionName) {
return regions
.where((x) => x.identifier == regionName)
.expand((elt) => elt.items)
.toList(growable: false);
}
regionItems(String regionName) {
return regions
.where((x) => x.identifier == regionName)
.expand((elt) => elt.items)
.toList(growable: false);
}