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>>>>> Chip Salzenberg <email@example.com>: > According to Ryszard Kabatek: >> I wrote an iterator class for std::vector<> and std::basic_string<>. > Could someone please fill me in on why that's necessary? I thought > that plain old pointers were adequate iterators in these cases. const_iterators and reverse_iterators are two uses that comes to mind. Don't remember offhand if these are mandated for basic_string.