You are right on all counts. In c, you create a buffer overflow (underflow?) unless you are careful w/ your pointer arithmatic. php I believe doesn't mind. Perl, yeah.

It's fairly universal to say non-negative numbers though, on the concept level. But that's a preference in teaching the concepts, eh? :)

----
Give me strength for today.. I will not talk it away..
Just for a moment.. It will burn through the clouds.. and shine down on me.

In reply to Re^3: Use Hash? Array? Still confused after all these years. by exussum0
in thread Use Hash? Array? Still confused after all these years. by hmbscully

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