Frans,

Agreed! I wasn't arguing Anders's position for him. Another disadvantage is
in the area of testing. Michael Feathers has complained about being unable
to extend classes naturally in order to override a single method for testing
purposes; the "sealed" and non-virtual-by-default defeat that.

>
>         dyn. proxy at runtime has many advantages, and
> because MS doesn't realize that a dyn. proxy mechanism is
> really needed in the CLR, all kinds of tricks have to be used
> which aren't really transparent. This IMHO limits .NET when
> compared to Java.

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