On Thu, Aug 12, 2010 at 9:58 PM, Wallace Turner <[email protected]> wrote:
> Thanks for the clarification.
>
> > The danger with co-variance of arrays is that you can cast an array of
> > string to an array of object and then proceed to assign any type of object
> > (say an int or a `Foo`) to the array resulting in a run-time error.
>
> How is that a co-variance issue? I see it more an issue of simply using an
> object[ ] array  per se.

Because it's the definition of a covariance issue:
http://en.wikipedia.org/wiki/Covariance_and_contravariance_%28computer_science%29#C.23

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