ArrayFormFieldBuilder<T> typedef
ArrayFormFieldBuilder<T> =
Widget? Function(TxFormFieldState<List<T> > field, ValueMapper<int, List<Widget> ?> actionsBuilder)
自增组件构造器
Implementation
typedef ArrayFormFieldBuilder<T> = Widget? Function(
TxFormFieldState<List<T>> field,
ValueMapper<int, List<Widget>?> actionsBuilder,
);