Ken Tilton wrote:
> How does a generic engine that sees only a solution (a
> list of mathematical expressions and for each the transformations,
> results, and opnds logged by individual TF functions) build up this
> environment such that it has named attributes such as signed-value?
How did your macro know that the user's reverse function
needed a signed_value parameter in that particular case?
> Assume that it can examine all those opnds and results looking
> for tagged values such that it then knows the name of those values
> that have been named.
You might be able to handle this using a general method
that searches the tree for a specified tag, e.g.
env.find_tag("signed_value")
--
Greg
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