builder property
Builder to display on the list.
context is passed as BuildContext, item
as each element, and index
as the array number of the element.
リストに表示するためのビルダー。
contextにBuildContext、item
に各要素、index
が要素の配列番号が渡されます。
Implementation
final List<Widget>? Function(BuildContext context, T item, int index) builder;