gap method

Implementation

Flex gap(double gap) {
  return Flex(
    key: key,
    direction: direction,
    mainAxisAlignment: mainAxisAlignment,
    mainAxisSize: mainAxisSize,
    crossAxisAlignment: crossAxisAlignment,
    textDirection: textDirection,
    verticalDirection: verticalDirection,
    textBaseline: textBaseline,
    children: join(
      children,
      Gap(gap),
    ).toList(growable: false),
  );
}