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407 · Posted: Wed Jan 05, 2011 1:14 am Post subject: Using namespace std

Can someone tell me the difference between

hcavolsdsadgadsg · Posted: Wed Jan 05, 2011 4:47 am Post subject:

nothing.

atom0s · Posted: Wed Jan 05, 2011 12:54 pm Post subject:

Like Slov said, nothing. Adding the 'using namespace' for things like std just make it so you don't have to type std:: in front of anything that is part of that namespace. The functions are still exactly the same though, it is just a convenience type thing.

NoMercy · Posted: Fri Jan 07, 2011 4:54 am Post subject:

Some book are saying, if you use using namespace std; you do not use the namespace usefull, since it would be a global variable, you can do it better inside a function or use namespacename::

Note, this is what Bjarne Stroustrup wrote in his book.