public int hashCode() {
      return i;
    }

    @Override
    public boolean equals(Object o) {
      return o instanceof MyInt && ((MyInt) o).i == i;
    }
  }

  public void testAsFunction_simplistic() {
    String canonical = "a";
    String not = new String("a");

    Function<String, String> internerFunction =
        Interners.asFunction(Interners.<String>newStrongInterner());

    public int hashCode() {
      return i;
    }

    @Override
    public boolean equals(Object o) {
      return o instanceof MyInt && ((MyInt) o).i == i;
    }
  }

  public void testAsFunction_simplistic() {
    String canonical = "a";
    String not = new String("a");

    Function<String, String> internerFunction =
        Interners.asFunction(Interners.<String>newStrongInterner());