OpenContainerBuilder<S> typedef
OpenContainerBuilder<S> =
Widget Function(BuildContext context, CloseContainerActionCallback<S> action)
Signature for a function that creates a Widget in open state within an OpenContainer.
The action
callback provided to OpenContainer.openBuilder can be used
to close the container.
Implementation
typedef OpenContainerBuilder<S> = Widget Function(
BuildContext context,
CloseContainerActionCallback<S> action,
);