[racket] Typeof

Approximate our reconstruct?

--
Pardon terseness and mistakes -- sent from phone.
On Apr 4, 2011 11:24 AM, "Matthias Felleisen" <matthias at ccs.neu.edu> wrote:
>
> Types are compile-time entities. They don't exist at run-time, so you
can't query them at run-time.
>
> If you mean the type-tags of objects, we don't provide direct access. You
can approximate it ...
>
> -- Matthias
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> On Apr 4, 2011, at 11:18 AM, José Lopes wrote:
>
>> Hello,
>>
>> How do I query the type of an expression?
>>
>> Regards,
>> José Lopes
>>
>> --
>> José António Branquinho de Oliveira Lopes
>> 58612 - MEIC-A
>> jose.lopes at ist.utl.pt
>>
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>
>
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