problem with iterator base class

[nbecker@fred.net]

i686-pc-linux-gnu egcs-2.91.66

Am I doing something really stupid or what?

#include <iterator>
template<class T>
class RingBufferIter : public iterator<random_access_iterator_tag, double>
 {
};
g++ -c bug.cc
bug.cc:3: parse error before `<'