Comments on: Generic Class: Duplicate Method Overloads

By: Moreshwar

Moreshwar — Fri, 11 Dec 2009 17:24:59 +0000

using System;

namespace GenericDupOverload
{
class Program
{
static void Main( string[] args )
{
Generic genInt = new Generic();
genInt.Add( 3 );
genInt.Add( "3″ );
Generic genString = new Generic();
genString.Add( "3″ );
Console.ReadLine();
}
}
public class Generic
{
public void Add( T item )
{
Console.WriteLine( "Add T" );
}
public void Add( string item )
{
Console.WriteLine( "Add string" );
}
}
}

By: Andy

Andy — Fri, 09 Jan 2009 16:36:54 +0000

Actually, I was wrong. I was doing something slightly different and I suspect the same thing will happen in C#. I was creating a variable of type T inside the generic class then passing that to the overloaded method. In this case, as I said, the overload with parameter of type T is called. If I do something more like you are doing here, I get the same results.

By: timm

timm — Fri, 09 Jan 2009 16:15:49 +0000

Unfortunately C# and VB.NET differ in many subtle ways. Apparently you have discovered another. Thanks for commenting!

By: Andy

Andy — Fri, 09 Jan 2009 16:08:47 +0000

Hi, I am trying to do this exact same thing in VB.NET but find the opposite i.e. the method with a paramter typed as T is always the one to get called. Any ideas?