}
BetweenPred between3And4 = new BetweenPred(3,4);
Assert.assertTrue(zero_ten.any(between3And4));
Assert.assertTrue(zero_five.any(between3And4));
Assert.assertFalse(five_ten.any(between3And4));
Assert.assertFalse(zero.any(between3And4));
Assert.assertFalse(ten.any(between3And4));
// contains
Assert.assertTrue(zero_ten.contains(ceylon.language.Integer.instance(0)));
Assert.assertTrue(zero_ten.contains(ceylon.language.Integer.instance(10)));