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Diffstat (limited to 'mcs/class/Mono.C5/UserGuideExamples/Antipatterns.cs')
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diff --git a/mcs/class/Mono.C5/UserGuideExamples/Antipatterns.cs b/mcs/class/Mono.C5/UserGuideExamples/Antipatterns.cs
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--- a/mcs/class/Mono.C5/UserGuideExamples/Antipatterns.cs
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@@ -1,103 +0,0 @@
-/*
- Copyright (c) 2003-2006 Niels Kokholm and Peter Sestoft
- 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.
-*/
-
-// C5 example: Antipatterns 2004-12-29
-
-// Compile with
-// csc /r:C5.dll Antipatterns.cs
-
-using System;
-using C5;
-using SCG = System.Collections.Generic;
-
-namespace Antipatterns {
- class Antipatterns {
- public static void Main(String[] args) {
- ModifyInner();
- DontModifyInner();
- }
-
- // Anti-pattern: modifying an inner collection while it is a
- // member of an outer one may cause it to be lost from the outer
- // collection.
-
- private static void ModifyInner() {
- Console.WriteLine("\nAnti-pattern: Add to outer, modify, lose");
- ICollection<ISequenced<int>> outer = new HashSet<ISequenced<int>>();
- for (int i=0; i<100; i++) {
- ISequenced<int> inner = new TreeSet<int>();
- inner.Add(i); inner.Add(i+1);
- outer.Add(inner);
- }
- ISequenced<int>
- inner1 = new TreeSet<int>(),
- inner2 = new TreeSet<int>(),
- inner3 = new TreeSet<int>();
- inner1.AddAll<int>(new int[] { 2, 3, 5, 7, 11 });
- inner2.AddAll(inner1); inner2.Add(13);
- inner3.AddAll(inner1);
- outer.Add(inner1);
- Console.WriteLine("inner1 in outer: {0}", outer.Contains(inner1));
- Console.WriteLine("inner2 in outer: {0}", outer.Contains(inner2));
- Console.WriteLine("inner3 in outer: {0}", outer.Contains(inner3));
- inner1.Add(13);
- Console.WriteLine("inner1 equals inner2: {0}",
- outer.EqualityComparer.Equals(inner1, inner2));
- Console.WriteLine("inner1 equals inner3: {0}",
- outer.EqualityComparer.Equals(inner1, inner3));
- Console.WriteLine("inner1 in outer: {0}", outer.Contains(inner1));
- Console.WriteLine("inner2 in outer: {0}", outer.Contains(inner2));
- Console.WriteLine("inner3 in outer: {0}", outer.Contains(inner3));
- Console.WriteLine("outer.Count: {0}", outer.Count);
- }
-
- private static void DontModifyInner() {
- Console.WriteLine("\nMake a snapshot and add it to outer");
- ICollection<ISequenced<int>> outer = new HashSet<ISequenced<int>>();
- for (int i=0; i<100; i++) {
- ISequenced<int> inner = new TreeSet<int>();
- inner.Add(i); inner.Add(i+1);
- outer.Add(inner);
- }
- IPersistentSorted<int>
- inner1 = new TreeSet<int>(),
- inner2 = new TreeSet<int>(),
- inner3 = new TreeSet<int>();
- inner1.AddAll<int>(new int[] { 2, 3, 5, 7, 11 });
- inner2.AddAll(inner1); inner2.Add(13);
- inner3.AddAll(inner1);
- // Take a snapshot and add it to outer:
- outer.Add(inner1.Snapshot());
- Console.WriteLine("inner1 in outer: {0}", outer.Contains(inner1));
- Console.WriteLine("inner2 in outer: {0}", outer.Contains(inner2));
- Console.WriteLine("inner3 in outer: {0}", outer.Contains(inner3));
- inner1.Add(13);
- Console.WriteLine("inner1 equals inner2: {0}",
- outer.EqualityComparer.Equals(inner1, inner2));
- Console.WriteLine("inner1 equals inner3: {0}",
- outer.EqualityComparer.Equals(inner1, inner3));
- Console.WriteLine("inner1 in outer: {0}", outer.Contains(inner1));
- Console.WriteLine("inner2 in outer: {0}", outer.Contains(inner2));
- Console.WriteLine("inner3 in outer: {0}", outer.Contains(inner3));
- Console.WriteLine("outer.Count: {0}", outer.Count);
- }
- }
-}