Ok, so far, most of the discussion has been about how the two provide local names, but what are the differences? And why was static deprecated and the unnamed namespace considered superior?
First, if nothing else, static means many different things in C++ and reducing one such use is considered a step in the right direction by some people. Second to consider is that names in unnamed namespaces may have external linkage whereas with static a name must have internal linkage. In other words, although there is a syntactic transformation shown above between AAA and BBB, the two are not exactly equal (the one between BBB and CCC is equal). Most books and usenet posts usually leave you off about right here. No problem with that per se, as the above info is not to be tossed out the window. However, you can’t help but keep wondering what the BIG deal some people make about unnamed namespaces are. Some folks might even argue that they make your code less readable. What’s significant though is that some template arguments cannot be names with internal linkage, instead some require names with external linkage. Remember, the types of the arguments to templates become part of the insta
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