Marcin 'Qrczak' Kowalczyk <xxxxxx@knm.org.pl> writes:

> Thomas Bushnell BSG <xxxxxx@becket.net> writes:
>
>> To the contrary, I think requesting *any* model should be explicit.
>>
>> Can you help me out here by explaining *why* it is so painful to be
>> explicit?
>
> Because I see no sane way of *switching* models. They shouldn't be
> changed, they should be added (adding new numeric types, extending
> existing operations - not replacing).

Who spoke of switching models?