pkg/front_end/testcases/records/block_combine_statements.dart.textual_outline_modelled.expect

Iterable<(Iterable<A>, Iterable<A>)> split<A>(Iterable<A> it) => switch (it) {
      Iterable<A>(isEmpty: true) => [
          (Iterable<A>.empty(), Iterable<A>.empty())
        ],
      Iterable<A>(first: var x) => () sync* {
          yield (Iterable<A>.empty(), it);
          for (var (ls, rs) in split(it.skip(1))) yield ([x, ...ls], rs);
        }(),
    };

void main() {}