MADescription as a valuable object

I wonder why MADescription isn't a "valuable" object.

It is...  it doesn't understand the #value: message selector.

#value: could map to the accessor #read: and #value:value: to the the
accessor #write:to:

Is there a reason why it isn't this way.

It would make it very useful from a polymorphic point of view.

E.g.
#size value:  #(1 2 7).

[ :value | value size ] value: #(1 2 7).

(MANumberDescription new accessor: #size)  value: #(1 2 7).


Regards,

Esteban A. Maringolo
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