assign method
A modifier that assigns its widget to a given List.
Example:
List<Widget> list = [];
Text('Item 1')
.frame(width: 20, height: 10)
.padding()
.bind(list);
Text('Item 2')
.frame(width: 20, height: 10)
.padding()
.bind(list);
Implementation
Widget assign(List<Widget> list) {
list.add(this);
return this;
}