[Xpath-ng] Proposal for definition of values/lists

[Jeff Kenton]

Joe English wrote:
> A good criterion for designing type conversion rules is that
> they should commute.  For instance, the result of converting a
> string to a number and then to a boolean should be the same as
> converting a string to a boolean directly.   More generally,
> you want T2->T3(T1->T2(x)) = T1->T3(x) for all types T1,
> T2 and T3.
> 

I agree with the sentiment here, but the word you want is probably
"transitive", not "commutative".


-- 
--------------------------
Jeff Kenton
DataPower Technology, Inc.