Diff of /blitz/array/cartesian.h [d421cd] .. [2b666a] Maximize Restore

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--- a/blitz/array/cartesian.h
+++ b/blitz/array/cartesian.h
@@ -43,8 +43,6 @@
     typedef T_tuple& reference;
     typedef const T_tuple& const_reference;
     typedef CartesianProductIterator<T_tuple,T_container,N_containers> iterator;
-    typedef int difference_type;
-    typedef int size_type;
 
     iterator begin()
     { return iterator(*this); }