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"DuCharme, Bob (LNG-CHO)" <bob.ducharme@l...> wrote in message 
FEF4858E8AB32D4EAC2CF2A7D85386EB0B254384@l...">news:FEF4858E8AB32D4EAC2CF2A7D85386EB0B254384@l......
> Peter Hunsberger wrote:
>
>>Some how I don't think one can claim to understand programing if you don't
>>understand recursion.  Recursion is a fundamental concept in Computer
> Science.
>
> Understanding it and getting the factorial homework assignment done in
> school is one thing, but many people have productive careers without ever
> needing recursion, so they don't get practice at it, so when it comes up
> they avoid it.

To avoid recursion in tree processing (isn't this what XSLT and XQuery are 
all about)? This should be impossible by definition. Remember that the 
definition of a tree is recursive itself.


Cheers,
Dimitre. 




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