/usr/local/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../include/c++/4.1.2/bits/stl_iterator_base_types.h: In instantiation of 'std::iterator_traits<myspace::mystruct>':
t.cpp:19: instantiated from here
Line 128: error: no type named 'iterator_category' in 'struct myspace::mystruct'
compilation terminated due to -Wfatal-errors.