ProxyContainerOperators.icc

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template <class Container,
          class T_Derived,
          class ElementProxy>
typename Utils::ProxyIterator<Container,T_Derived,ElementProxy>::difference_type
operator-(const Utils::ProxyIterator<Container,T_Derived,ElementProxy> &a,
          const Utils::ProxyIterator<Container,T_Derived,ElementProxy> &b)
requires (Utils::hasAddition< typename Utils::ProxyIterator<Container,T_Derived,ElementProxy>::element_index_t > )
{
   return a.index() - b.index();
}
 
// template <Utils::AccessPolicy iteratorAccessPolicy, typename ...T_Args>
// auto operator+(const typename Utils::ContainerProxy<T_Args...>::template iterator_for_ranges<iteratorAccessPolicy> &a,
//                unsigned int offset)
//    requires (Utils::hasAddition< typename Utils::ContainerProxy<T_Args...>::ElementIndexType > )
// {
//    using container_proxy_iterator = typename Utils::ContainerProxy<T_Args...>::template iterator_for_ranges<iteratorAccessPolicy>;
//    return container_proxy_iterator(&a.container(), a.index() + offset);
// }
 
template <class Container,
          class T_Derived,
          class ElementProxy>
Utils::ProxyIterator<Container,T_Derived,ElementProxy>
operator+(const Utils::ProxyIterator<Container,T_Derived,ElementProxy> &a,
          unsigned int offset)
requires (Utils::hasAddition< typename Utils::ProxyIterator<Container,T_Derived,ElementProxy>::element_index_t > )
{
   return Utils::ProxyIterator<Container,T_Derived,ElementProxy>(&a.container(), a.index() + offset);
}