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Implemented the methods of StringEqualityComparer

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This commit is contained in:
fanoI 2018-02-04 19:49:46 +01:00
parent c8c2bdfc20
commit 72d1ab2ffa
1 changed files with 28 additions and 4 deletions
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32
source/Cosmos.Core_Plugs/System/Collections/Generic/ComparerHelpersImpl.cs
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@ -8,6 +8,8 @@ namespace Cosmos.Core_Plugs.System.Collections.Generic
[Plug(TargetName = "System.Collections.Generic.ComparerHelpers")]
public static class ComparerHelpersImpl
{
private static readonly Debugger mDebugger = new Debugger("Core", "ComparerHelpersImpl");
public static object CreateDefaultComparer(Type aType)
{
Debugger.DoBochsBreak();
@ -29,6 +31,11 @@ namespace Cosmos.Core_Plugs.System.Collections.Generic
return new StringEqualityComparer();
}
if (aType == typeof(int))
{
return new Int32EqualityComparer();
}
// TODO: Nullable<>
// TODO: Enum (Comparer is special to avoid boxing)
@ -37,7 +44,7 @@ namespace Cosmos.Core_Plugs.System.Collections.Generic
//{
// xResult = new ObjectComparer<object>();
//}
mDebugger.Send($"No EqualityComparer for type {aType}");
return null;
}
}
@ -61,15 +68,32 @@ namespace Cosmos.Core_Plugs.System.Collections.Generic
public override bool Equals(string x, string y)
{
mDebugger.Send("StringEqualityComparer.Equals");
throw new NotImplementedException();
return String.Equals(x, y);
}
public override int GetHashCode(string obj)
{
mDebugger.Send("StringEqualityComparer.GetHashCode");
throw new NotImplementedException();
return obj.GetHashCode();
}
}
public class Int32EqualityComparer : EqualityComparer<int>
{
private readonly Debugger mDebugger = new Debugger("Core", "Int32 Equality Comparer");
public override bool Equals(int x, int y)
{
mDebugger.Send("Int32EqualityComparer.Equals");
return x == y;
}
public override int GetHashCode(int val)
{
mDebugger.Send("Int32EqualityComparer.GetHashCode");
return val.GetHashCode();
}
}
}