"Bill Page" <[EMAIL PROTECTED]> writes:

| 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?

At the moment, it is not used for pattern matching in Spad.  But, that
may change.

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

Yes. (And beyond).

-- Gaby

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