cast<RR, PP> method

WidgetHandler<RR, PP> cast<RR, PP>()

Implementation

WidgetHandler<RR, PP> cast<RR, PP>() {
  final self = this;
  if (self is WidgetHandler<RR, PP>) return self as WidgetHandler<RR, PP>;
  return (context, PP? outer) {
    return self.call(context, outer as P);
  };
}