public void TestReact() { var f = new Function<int, int>(Mod3); Assert.That(f[7], Is.EqualTo(1)); Assert.That(f.React(1, 8.ToLog(true)), Is.EqualTo(2.ToLog(true))); Assert.That(f.React(2, 11.ToLog(true)), Is.EqualTo(2.ToLog(false))); }