DM> This would be a bad thing to do because if you later changed Node's 
DM> implementation to use a C++ string internally, this code 
DM> would have to change, defeating the data hiding principles.

DM> The best bet, really, is that Node would allocate the space when it
DM> is  required to, but not any earlier, all automatically.  This 
DM> would allow you to rewrite Node to use other string objects 
DM> later without changing anyone else's code.

Outstanding answer.  It seems like it's advice from a Software 
Engineering professor (CS4510).  In fact as long as I'm going to 
redesign the who thing, I think that I'll use a C++ string throughout.

þ CMPQwk 1.42 999

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