On Mon, Nov 17, 2008 at 11:47 PM, Gabriel Dos Reis wrote:
>
> hmm, I think I may have found part of what I was looking for,
> see the discussion starting at
>
>  http://lists.gnu.org/archive/html/axiom-developer/2007-01/msg00001.html
>
> (I should have thought of `conditional' when searching).
>

Thanks! You have an excellent memory. My recollection was only of our
discussion about the use of 'is' in the interpreter. But it seems that
'is' is used extensively in Spad for domain equality. You can find a
lot just by grepping 'is Integer' and 'is Float'. There are some good
examples in 'numsolve.spad.pamphlet'.

Can 'is' be used for "pattern matching" in Spad, or is this only in
Boot and the Interpreter?

Are you thinking about how this could/should related to equality in Domain?

Regards,
Bill Page.

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