pkg/front_end/testcases/patterns/exhaustiveness/issue2878_example3.dart.textual_outline.expect

void main() {}

List<List<A>> subs<A>(List<A> list) => switch (list) {
  [] => [],
  [var x, ...var xs] => [
    for (var ys in subs(xs)) ...[
      [x] + ys,
      ys,
    ],
    [x],
  ],
};