C# method generic params parameter bug?

Posted by Mike M on Stack Overflow See other posts from Stack Overflow or by Mike M
Published on 2010-05-18T09:37:16Z Indexed on 2010/05/18 9:40 UTC
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Hey,

I appears to me as though there is a bug/inconsistency in the C# compiler.

This works fine (first method gets called):

    public void SomeMethod(string message, object data);
    public void SomeMethod(string message, params object[] data);

    // ....
    SomeMethod("woohoo", item);

Yet this causes "The call is ambiguous between the following methods" error:

    public void SomeMethod(string message, T data);
    public void SomeMethod(string message, params T[] data);

    // ....
    SomeMethod("woohoo", (T)item);

I could just use the dump the first method entirely, but since this is a very performance sensitive library and the first method will be used about 75% of the time, I would rather not always wrap things in an array and instantiate an iterator to go over a foreach if there is only one item.

Splitting into different named methods would be messy at best IMO.

Thoughts?

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