intrinsic method

Implementation

Widget intrinsic(IntrinsicDirection direction) {
  switch (direction) {
    case IntrinsicDirection.horizon:
      return IntrinsicWidth(child: this);
    case IntrinsicDirection.vertical:
      return IntrinsicHeight(child: this);
    case IntrinsicDirection.both:
      return IntrinsicHeight(child: IntrinsicWidth(child: this));
  }
}