Function FromNumber

extensions/sets_functions_benchmark_test.cc:58–69

enum class ListImpl : int { kLegacy = 0, kWrappedModern = 1, kRhsConstant = 2 };
int ToNumber(ListImpl impl) { return static_cast<int>(impl); }
ListImpl FromNumber(int number) {
  switch (number) {
    case 0:
      return ListImpl::kLegacy;
    case 1:
      return ListImpl::kWrappedModern;
    case 2:
      return ListImpl::kRhsConstant;
    default:
      return ListImpl::kLegacy;
  }
}

struct TestCase {
  std::string test_name;