Thanks for this. I'm beginning to understand a bit more. Just to clarify (if you will), I notice that the original program that raised this issue had an #include <iostream> at the top because the student was using cout. If I remove that line, then the swap function becomes unrecognized. So for some reason, iostream is prototyping swap either directly or indirectly. Do you happen to know why iostream needs swap? I think I can save face with my class by blaming it on iostream. :-) Thanks for your help.
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