tamaroth

namespace detail {

    template<typename T>
    auto is_iterable_impl(int) -> decltype(
        std::begin(std::declval<T&>()) != std::end(std::declval<T&>()),
        ++std::declval<decltype(std::begin(std::declval<T&>()))&>(),
        void(*std::begin(std::declval<T&>())),
        std::true_type{}
    );