Michel Fortin:

> I wonder how you determined it was "rare in practice". My attempts at 
> using const and immutable with objects had Rebindable everywhere.

I agree that in my code with many object references that uses const/immutable 
everywhere possible, the desire to use Rebindable is not rare. If you don't 
write object oriented code, or if you don't use const/immutable much, then the 
need to use Rebindable is not common.

Bye,
bearophile

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