// Copyright (c) AlphaSierraPapa for the SharpDevelop Team // // Permission is hereby granted, free of charge, to any person obtaining a copy of this // software and associated documentation files (the "Software"), to deal in the Software // without restriction, including without limitation the rights to use, copy, modify, merge, // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons // to whom the Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all copies or // substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. using System; public static class CustomShortCircuitOperators { // TODO: Restore base class after https://roslyn.codeplex.com/workitem/358 is fixed. private class C { public static bool operator true(CustomShortCircuitOperators.C x) { return true; } public static bool operator false(CustomShortCircuitOperators.C x) { return false; } public static CustomShortCircuitOperators.C operator &(CustomShortCircuitOperators.C x, CustomShortCircuitOperators.C y) { return null; } public static CustomShortCircuitOperators.C operator |(CustomShortCircuitOperators.C x, CustomShortCircuitOperators.C y) { return null; } public static bool operator !(CustomShortCircuitOperators.C x) { return false; } private static void Main() { CustomShortCircuitOperators.C c = new CustomShortCircuitOperators.C(); CustomShortCircuitOperators.C c2 = new CustomShortCircuitOperators.C(); CustomShortCircuitOperators.C c3 = c && c2; CustomShortCircuitOperators.C c4 = c || c2; Console.WriteLine(c3.ToString()); Console.WriteLine(c4.ToString()); } private static void Test2() { CustomShortCircuitOperators.C c = new CustomShortCircuitOperators.C(); if (c && c) { Console.WriteLine(c.ToString()); } if (!(c && c)) { Console.WriteLine(c.ToString()); } } private static void Test3() { CustomShortCircuitOperators.C c = new CustomShortCircuitOperators.C(); if (c) { Console.WriteLine(c.ToString()); } if (!c) { Console.WriteLine(c.ToString()); } } } }