HI, I'm using the boost iterator_facade class to implement a random access iterator for my class. When I try to assign the iterators to one another, the compiler fails saying 'operator =' function is unavailable". Sample code from my implementation below: |class MyClass{ class Iterator : public boost::iterator_facade<Iterator, T, boost::bidirectional_traversal_tag>{ protected: void increment(); bool equal(const Iterator& rhs)const; //etc || //... Note - no method implemented to support assignment | | } }| I'd assumed that it'll be possible to assign iterators to each other. Why is the assignment operator not supported by iterator_facade. It implements other operations (like ++ and ==)by making the derived version implement private methods (like increment and equal). Am I missing something. The boost documentation doesn't mention why this is not supported. Thanks AR