이중 map

• asmap() : index를 key로 리스트 요소들을 value로 받는다

Expanded(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
123,
456,
789,
]
.asMap()
.entries
.map((e) => Padding(
padding:
EdgeInsets.only(bottom: e.key == 2 ? 0 : 10),
child: Row(
children: e.value
.toString()
.split('')
.map(
(y) => Image.asset(
'asset/img/$y.png',
height: 70,
width: 50,
),
)
.toList(),
),
))
.toList()),
),