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   RE: [xml-dev] Iceberg development (was Re: [xml-dev] maps)

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> Instead of describing these things as "X is of type Y", I'm 
> thinking it 
> might be easier to define the value space through a 
> transformation from a 
> lexical representation to a set of values which may or may 
> not involve an 
> explicit cast operation.  I'm much happier saying "treat X as 
> of type Y for 
> this operation" - that leaves a lot more flexibility and room 
> for fallbacks.

Isn't it possible that the value space of, say,  a prime number type would
be narrower than an interpretation of it's lexical space would lead you to
believe? You're sure to have addressed this concern before, but I missed it.

Anyway, I hear what you're saying and don't disagree with the  "treat X as
of type Y for  this operation" paradigm.  But then you're still left with
the case where a lexically value representation does not sit well with the
primitive type I want (or was told) to use. Then I don't know if I made a
wrong assumption or you misrepresented to me the type that the lexical
definition was suppose to represent.  Or, it could be that there's a data
error.

I may have to take Tim's advice, and swear off  T-words.  Just leads to
lengthy threads.



> 
> (Thinking about things like scientific notation makes me think that 
> fallbacks to multiple possible approaches for something as 
> simple as a 
> 'float' makes sense.)
> 
> Simon St.Laurent
> "Every day in every way I'm getting better and better." - Emile Coue
> 
> 
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