PowerSet(Set<E> input) {
      checkArgument(
          input.size() <= 30, "Too many elements to create power set: %s > 30", input.size());
      this.inputSet = Maps.indexMap(input);
    }

    @Override
    public int size() {
      return 1 << inputSet.size();
    }

    @Override
    public boolean isEmpty() {
      return false;
    }

    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  /** Returns a map from the ith element of list to i. */
  static <E> ImmutableMap<E, Integer> indexMap(Collection<E> list) {
    ImmutableMap.Builder<E, Integer> builder = new ImmutableMap.Builder<>(list.size());
    int i = 0;
    for (E e : list) {
      builder.put(e, i++);
    }

    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  /** Returns a map from the ith element of list to i. */
  static <E> ImmutableMap<E, Integer> indexMap(Collection<E> list) {
    ImmutableMap.Builder<E, Integer> builder = new ImmutableMap.Builder<>(list.size());
    int i = 0;
    for (E e : list) {
      builder.put(e, i++);
    }

}

var parenExpr = (1 + 5)

var funcLit = func() {}

var m map[string]int

var chanVar chan int

var ifaceVar any = 5

var assertVar = ifaceVar.(int)

var indexVar = m["foo"]

var Byte byte
var ByteFunc func(byte) rune

type ByteStruct struct {
	B byte
	R rune

	}
}

func TestMigrateWithQuotedIndex(t *testing.T) {
	if DB.Dialector.Name() != "mysql" {
		t.Skip()
	}

	type QuotedIndexStruct struct {
		gorm.Model
		Name string `gorm:"size:255;index:AS"` // AS is one of MySQL reserved words
	}

	if err := DB.Migrator().DropTable(&QuotedIndexStruct{}); err != nil {
		t.Fatalf("Failed to drop table, got error %v", err)
	}