Map<int, String> listItem
な値をchildren化
static const Map<int, String> firstDate = { 1: 'hoge', 2: 'bar', 3: 'fuge', };
をchildren:
へ流し込む
listItem .map( (index, kind) => MapEntry<int, Widget>( index, Container(), ), ) .values .toList(),
Wrap( children: ここ ),