1 // 2 // Empty.cs 3 // 4 // Author: 5 // Jb Evain (jbevain@gmail.com) 6 // 7 // Copyright (c) 2008 - 2011 Jb Evain 8 // 9 // Permission is hereby granted, free of charge, to any person obtaining 10 // a copy of this software and associated documentation files (the 11 // "Software"), to deal in the Software without restriction, including 12 // without limitation the rights to use, copy, modify, merge, publish, 13 // distribute, sublicense, and/or sell copies of the Software, and to 14 // permit persons to whom the Software is furnished to do so, subject to 15 // the following conditions: 16 // 17 // The above copyright notice and this permission notice shall be 18 // included in all copies or substantial portions of the Software. 19 // 20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 // 28 29 using System; 30 using Mono.Collections.Generic; 31 32 namespace Mono { 33 34 static class Empty<T> { 35 36 public static readonly T [] Array = new T [0]; 37 } 38 } 39 40 namespace Mono.Cecil { 41 42 static partial class Mixin { 43 IsNullOrEmpty(this T [] self)44 public static bool IsNullOrEmpty<T> (this T [] self) 45 { 46 return self == null || self.Length == 0; 47 } 48 IsNullOrEmpty(this Collection<T> self)49 public static bool IsNullOrEmpty<T> (this Collection<T> self) 50 { 51 return self == null || self.size == 0; 52 } 53 Resize(this T [] self, int length)54 public static T [] Resize<T> (this T [] self, int length) 55 { 56 #if !CF 57 Array.Resize (ref self, length); 58 #else 59 var copy = new T [length]; 60 Array.Copy (self, copy, self.Length); 61 self = copy; 62 #endif 63 64 return self; 65 } 66 } 67 } 68