detecting sealed objects

Neil Mix nmix at
Thu Mar 15 14:46:52 PDT 2007

I don't see anything in the intrinsic::NominalType interface that  
allows one to detect whether or not an object is sealed.  Is there  
some way to detect that?

Also, in the meta-objects proposal, I'm wondering why indicators for  
dynamic/final/internal/public aren't available via ClassType -- is  
that a burden on implementors?

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