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// 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;
using System.Collections.Generic;
public static class Generics
{
public class MyArray<T>
{
public class NestedClass<Y>
{
public T Item1;
public Y Item2;
}
public enum NestedEnum
{
A,
B
}
private T[] arr;
public MyArray(int capacity)
{
this.arr = new T[capacity];
}
public void Size(int capacity)
{
Array.Resize<T>(ref this.arr, capacity);
}
public void Grow(int capacity)
{
if (capacity >= this.arr.Length)
{
this.Size(capacity);
}
}
}
public interface IInterface
{
void Method1<T>() where T : class;
void Method2<T>() where T : class;
}
public abstract class Base : Generics.IInterface
{
// constraints must be repeated on implicit interface implementation
public abstract void Method1<T>() where T : class;
// constraints must not be specified on explicit interface implementation
void Generics.IInterface.Method2<T>()
{
}
}
public class Derived : Generics.Base
{
// constraints are inherited automatically and must not be specified
public override void Method1<T>()
{
}
}
private const Generics.MyArray<string>.NestedEnum enumVal = Generics.MyArray<string>.NestedEnum.A;
private static Type type1 = typeof(List<>);
private static Type type2 = typeof(Generics.MyArray<>);
private static Type type3 = typeof(List<>.Enumerator);
private static Type type4 = typeof(Generics.MyArray<>.NestedClass<>);
private static Type type5 = typeof(List<int>[]);
private static Type type6 = typeof(Generics.MyArray<>.NestedEnum);
public static void MethodWithConstraint<T, S>() where T : class, S where S : ICloneable, new()
{
}
public static void MethodWithStructConstraint<T>() where T : struct
{
}
private static void MultidimensionalArray<T>(T[,] array)
{
array[0, 0] = array[0, 1];
}
public static Dictionary<string, string>.KeyCollection.Enumerator GetEnumerator(Dictionary<string, string> d, Generics.MyArray<string>.NestedClass<int> nc)
{
// Tests references to inner classes in generic classes
return d.Keys.GetEnumerator();
}
public static bool IsString<T>(T input)
{
return input is string;
}
public static string AsString<T>(T input)
{
return input as string;
}
public static string CastToString<T>(T input)
{
return (string)((object)input);
}
public static T CastFromString<T>(string input)
{
return (T)((object)input);
}
public static bool IsInt<T>(T input)
{
return input is int;
}
public static int CastToInt<T>(T input)
{
return (int)((object)input);
}
public static T CastFromInt<T>(int input)
{
return (T)((object)input);
}
public static bool IsNullableInt<T>(T input)
{
return input is int?;
}
public static int? AsNullableInt<T>(T input)
{
return input as int?;
}
public static int? CastToNullableInt<T>(T input)
{
return (int?)((object)input);
}
public static T CastFromNullableInt<T>(int? input)
{
return (T)((object)input);
}
}
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