SliverPadded extension

为Sliver组件添加便捷的padding扩展方法

示例：

SliverList().pad(vertical: 8)
on

Methods

pad({double left = 0, double right = 0, double top = 0, double bottom = 0, double? vertical, double? all, double? horizon}) → SliverPadding

Available on SliverWithKeepAliveWidget, provided by the SliverPadded extension

为Sliver组件添加padding