BorderDirectional constructor Null safety

const BorderDirectional(
  1. {BorderSide top,
  2. BorderSide start,
  3. BorderSide end,
  4. BorderSide bottom}
)

Implementation

const factory BorderDirectional(
    {final BorderSide top,
    final BorderSide start,
    final BorderSide end,
    final BorderSide bottom}) = _$BorderDirectional;