Function operator!=

dlib/smart_pointers/shared_ptr_thread_safe_abstract.h:258–261

    template<typename T, typename U>
    bool operator!= (
        const shared_ptr_thread_safe<T>& a, 
        const shared_ptr_thread_safe<U>& b
    ) { return a.get() != b.get(); }
    /*!
        ensures
            - returns a.get() != b.get()