The following test shows something strange. In the first test, a 1-dim view of a 1-dim array is created. Then the view iterators are used. In the second test, a 2-dim view of a 2-dim array is created. It seems the iterator in this case is not an iterator at all. Is this broken, or do I misunderstand something? -------------- #include <boost/multi_array.hpp> #include <algorithm> int main () { using boost::multi_array_types::index_range; typedef boost::multi_array<double,1> m1_t; m1_t m1; typedef m1_t::array_view<1>::type view1_t; view1_t v1 = m1[boost::indices[index_range()]]; std::fill (v1.begin(), v1.end(), 0); << This is fine typedef boost::multi_array<double,2> m2_t; m2_t m2; typedef m2_t::array_view<2>::type view2_t; view2_t v2 = m2[boost::indices[index_range()][index_range()]]; std::fill (v2.begin(), v2.end(), 0); << This is not } ----------------- There are lots of error messages, here is one: error: request for member ‘begin’ in ‘other’, which is of non-class type ‘const int’